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Yuan H, Kehm RD, Daaboul JM, Lloyd SE, McDonald JA, Mu L, Tehranifar P, Zhang K, Terry MB, Yang W. Cancer incidence trends in New York State and associations with common population-level exposures 2010-2018: an ecological study. Sci Rep 2024; 14:7141. [PMID: 38531903 DOI: 10.1038/s41598-024-56634-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 03/08/2024] [Indexed: 03/28/2024] Open
Abstract
The impact of common environmental exposures in combinations with socioeconomic and lifestyle factors on cancer development, particularly for young adults, remains understudied. Here, we leveraged environmental and cancer incidence data collected in New York State at the county level to examine the association between 31 exposures and 10 common cancers (i.e., lung and bronchus, thyroid, colorectal, kidney and renal pelvis, melanoma, non-Hodgkin lymphoma, and leukemia for both sexes; corpus uteri and female breast cancer; prostate cancer), for three age groups (25-49, 50-69, and 70-84 year-olds). For each cancer, we stratified by age group and sex, and applied regression models to examine the associations with multiple exposures simultaneously. The models included 642,013 incident cancer cases during 2010-2018 and found risk factors consistent with previous reports (e.g., smoking and physical inactivity). Models also found positive associations between ambient air pollutants (ozone and PM2.5) and prostate cancer, female breast cancer, and melanoma of the skin across multiple population strata. Additionally, the models were able to better explain the variation in cancer incidence data among 25-49 year-olds than the two older age groups. These findings support the impact of common environmental exposures on cancer development, particularly for younger age groups.
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Affiliation(s)
- Haokun Yuan
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 514, New York, NY, 10032, USA
| | - Rebecca D Kehm
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 514, New York, NY, 10032, USA
| | - Josephine M Daaboul
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 514, New York, NY, 10032, USA
| | - Susan E Lloyd
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 514, New York, NY, 10032, USA
| | - Jasmine A McDonald
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 514, New York, NY, 10032, USA
- Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY, USA
| | - Lina Mu
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, The State University of New York at Buffalo, Buffalo, NY, USA
| | - Parisa Tehranifar
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 514, New York, NY, 10032, USA
- Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY, USA
| | - Kai Zhang
- Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Rensselaer, NY, USA
| | - Mary Beth Terry
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 514, New York, NY, 10032, USA
- Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY, USA
| | - Wan Yang
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 514, New York, NY, 10032, USA.
- Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY, USA.
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Greca AL, Grau L, Arbet J, Liao LM, Sosa JA, Haugen BR, Kitahara CM. Anthropometric, dietary, and lifestyle factors and risk of advanced thyroid cancer: The NIH-AARP diet and health cohort study. Clin Endocrinol (Oxf) 2023; 99:586-597. [PMID: 37694684 DOI: 10.1111/cen.14970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 08/17/2023] [Accepted: 08/28/2023] [Indexed: 09/12/2023]
Abstract
BACKGROUND Most patients diagnosed with thyroid cancer have low-risk disease, but some have a higher risk for persistent or recurrent disease and even death from thyroid cancer. Few studies have evaluated potential anthropometric, lifestyle, or dietary risk factors for advanced or aggressive types of thyroid cancer. METHODS Using data from a large US cohort study, we examined associations for high-risk thyroid cancer (HRTC) and, separately, low-risk thyroid cancer (LRTC) in relation to anthropometric factors, diet, smoking, and alcohol consumption. The National Institutes of Health-American Association of Retired Persons (NIH-AARP) Diet and Health Study included 304,122 participants (124,656 women and 179,466 men) without a history of cancer who completed a mailed questionnaire in 1996-1997 and were followed for cancer incidence through 2011 via linkages with state cancer registries. Hazard ratios (HRs) for anthropometric, dietary, and lifestyle factors in relation to HRTC or LRTC, defined using guidance from the American Thyroid Association initial risk of recurrence classification, were calculated using multivariable-adjusted Cox proportional hazards regression models. RESULTS During follow-up (median = 10.1 years), 426 participants were diagnosed with HRTC (n = 95) or LRTC (n = 331). In models combining men and women, baseline waist circumference (per 5 cm, HR = 1.13, 95% confidence interval [CI] 1.01-1.27) and weight gain from age 18 years to baseline age (per 5 kg, HR = 1.14, 95% CI 1.02-1.28) were positively associated with risk of HRTC but not LRTC. In contrast, vegetable intake (per cup equivalents/day, HR = 1.15, 95% CI 1.01-1.30), cigarette smoking (current vs. never, HR = 0.39, 95% CI 0.23-0.68), and alcohol consumption (per drink/day, HR = 0.83, 95% CI 0.70-0.97) were associated with risk of LRTC but not HRTC. The association of LRTC risk with vegetable intake was limited to men, and that of current smoking was more pronounced in women. CONCLUSIONS Our findings suggest that greater waist circumference and adulthood weight gain are associated with thyroid cancers at higher risk for recurrence. These results may have implications for the primary prevention of advanced thyroid cancer.
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Affiliation(s)
- Amanda La Greca
- Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Colorado, Aurora, Colorado, USA
| | - Laura Grau
- Department of Biostatistics & Informatics, University of Colorado, Aurora, Colorado, USA
| | - Jaron Arbet
- Department of Biostatistics & Informatics, University of Colorado, Aurora, Colorado, USA
| | - Linda M Liao
- Division of Cancer Epidemiology & Genetics, Metabolic Epidemiology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Julie A Sosa
- Department of Surgery, University of California San Francisco (UCSF), San Francisco, California, USA
| | - Bryan R Haugen
- Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Colorado, Aurora, Colorado, USA
| | - Cari M Kitahara
- Division of Cancer Epidemiology and Genetics, Radiation Epidemiology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
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Ferrante M, Distefano G, Distefano C, Copat C, Grasso A, Oliveri Conti G, Cristaldi A, Fiore M. Benefits of Physical Activity during and after Thyroid Cancer Treatment on Fatigue and Quality of Life: A Systematic Review. Cancers (Basel) 2022; 14:cancers14153657. [PMID: 35954324 PMCID: PMC9367318 DOI: 10.3390/cancers14153657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/16/2022] [Accepted: 07/22/2022] [Indexed: 12/09/2022] Open
Abstract
Simple Summary The usefulness of physical activity in a preventive key is no longer in question, whereas sports therapy is assuming an increasingly important role in cancer rehabilitation. This review provides an overview on the effects of physical activity on fatigue, quality of life (QoL) and health-related quality of life (HRQoL) in patients with thyroid cancer diagnosis both during and after treatment, with a focus on sex. We found that the level of confidence in the available evidence is very low. Future studies are needed to understand which training programs are optimal, both in terms of beneficial effects and to avoid potential adverse responses, in addition to focusing on gender differences. Abstract Background: Several epidemiological studies have provided evidence of the usefulness of physical activity for cancer prevention, increased survival and quality of life (QoL), but no comprehensive review is available on the effects on thyroid cancer. The present systematic review provides an overview of the effects of physical activity on fatigue, QoL and health-related quality of life (HRQoL) in patients with thyroid cancer diagnosis both during and after treatment, with a focus on sex. Methods: A literature search was conducted in the PubMed and Scopus databases. We included studies investigating the impact of physical activity during and after thyroid cancer treatment, including fatigue, QoL and/or HRQoL among the outcomes. Review articles, conference papers, short communications and articles written in a language other than English articles were excluded. Study selection followed the preferred reporting items for systematic reviews and meta-analyses guidelines (PRISMA). Two reviewers independently selected the studies and assessed their eligibility. The same two reviewers independently screened studies, extracted data and assessed the risk of bias. Outcomes of interest were fatigue, QoL and HRQoL. The Newcastle–Ottawa Scale was used to assess the quality of the selected studies. We compared the outcomes between groups of patients with subclinical hyperthyroidism undergoing a physical activity program and a sedentary group, evaluating the possible presence of sex differences. Results and Discussion: We found five studies eligible for inclusion in our review; only two were prospective studies including an exercise training program. One study was a quasi-experimental study with a non-equivalent control group. Three out of five studies comprised low-quality evidence with a high risk of bias. Conclusion: The level of confidence in the available evidence is very low. A close association between physical activity and fatigue, QoL and HRQoL in patients with thyroid cancer diagnosis with a focus on sex can neither be supported nor refuted. Future studies are needed to understand which training programs are optimal, both in terms of beneficial effects and to avoid potential adverse responses, in addition to focusing on gender differences. The protocol of this systematic review was registered with PROSPERO: CRD42022322519.
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Accuracy of Mobile Applications versus Wearable Devices in Long-Term Step Measurements. SENSORS 2020; 20:s20216293. [PMID: 33167361 PMCID: PMC7663794 DOI: 10.3390/s20216293] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 10/28/2020] [Accepted: 11/03/2020] [Indexed: 02/07/2023]
Abstract
Fitness sensors and health systems are paving the way toward improving the quality of medical care by exploiting the benefits of new technology. For example, the great amount of patient-generated health data available today gives new opportunities to measure life parameters in real time and create a revolution in communication for professionals and patients. In this work, we concentrated on the basic parameter typically measured by fitness applications and devices-the number of steps taken daily. In particular, the main goal of this study was to compare the accuracy and precision of smartphone applications versus those of wearable devices to give users an idea about what can be expected regarding the relative difference in measurements achieved using different system typologies. In particular, the data obtained showed a difference of approximately 30%, proving that smartphone applications provide inaccurate measurements in long-term analysis, while wearable devices are precise and accurate. Accordingly, we challenge the reliability of previous studies reporting data collected with phone-based applications, and besides discussing the current limitations, we support the use of wearable devices for mHealth.
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Fiore M, Cristaldi A, Okatyeva V, Lo Bianco S, Oliveri Conti G, Zuccarello P, Copat C, Caltabiano R, Cannizzaro M, Ferrante M. Physical Activity and Thyroid Cancer Risk: A Case-Control Study in Catania (South Italy). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16081428. [PMID: 31013573 PMCID: PMC6517930 DOI: 10.3390/ijerph16081428] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 04/10/2019] [Accepted: 04/14/2019] [Indexed: 12/24/2022]
Abstract
Background: The health benefits of physical activity are well established, but the association between physical activity and thyroid cancer remains poorly understood. The aim of the study was to investigate the relationship between physical activity and thyroid cancer in order to determine type, frequency, and duration of exercise needed to maximize prevention. Method: Cases, diagnosed from January 2009 to July 2018, and controls were enrolled at the University Hospital “Policlinico-Vittorio Emanuele” of Catania (South Italy). Logistic regression models were used to estimate the crude and adjusted odds ratios (ORs) and their 95% confidence intervals. Results: A total of 106 cases (91.2% papillary type) and 217 controls were enrolled. Physical activity was rare in Catania (32.8%) and was not correlated to risk of total thyroid cancer (OR: 0.997; 95% CI: 0.515–1.929). Conversely, walking every day for at least 60 minutes reduced the risk of thyroid cancer (OR: 0.357; 95% CI: 0.157–0.673). Conclusions: Our study showed that daily walking duration was associated with lower risk of thyroid cancer using a case-control study. Unfortunately, the frequency of physical activity often declines with age, particularly among the elderly, thus more research on physical activity adherence is needed to determine which approaches are most effective in promoting sustained physical activity participation.
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Affiliation(s)
- Maria Fiore
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical and Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95123 Catania, Italy.
| | - Antonio Cristaldi
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical and Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95123 Catania, Italy.
| | - Valeriya Okatyeva
- General Surgery, Department of Medical and Surgical Sciences and Advanced Technologies, "G.F. Ingrassia", 95123 Catania, Italy.
| | - Salvatore Lo Bianco
- General Surgery, Department of Medical and Surgical Sciences and Advanced Technologies, "G.F. Ingrassia", 95123 Catania, Italy.
| | - Gea Oliveri Conti
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical and Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95123 Catania, Italy.
| | - Pietro Zuccarello
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical and Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95123 Catania, Italy.
| | - Chiara Copat
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical and Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95123 Catania, Italy.
| | - Rosario Caltabiano
- Department of Medical and Surgical Sciences and Advanced Technologies, "G.F. Ingrassia", Section of Anatomic Pathology, 95123 Catania, Italy.
| | - Matteo Cannizzaro
- General Surgery, Department of Medical and Surgical Sciences and Advanced Technologies, "G.F. Ingrassia", 95123 Catania, Italy.
| | - Margherita Ferrante
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical and Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95123 Catania, Italy.
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Kelly SA, Zhao L, Jung KC, Hua K, Threadgill DW, Kim Y, de Villena FPM, Pomp D. Prevention of tumorigenesis in mice by exercise is dependent on strain background and timing relative to carcinogen exposure. Sci Rep 2017; 7:43086. [PMID: 28225043 PMCID: PMC5320535 DOI: 10.1038/srep43086] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 01/19/2017] [Indexed: 12/15/2022] Open
Abstract
Among cancer diagnoses, colorectal cancer (CRC) is prevalent, with a lifetime risk of developing CRC being approximately 5%. Population variation surrounding the mean risk of developing CRCs has been associated with both inter-individual differences in genomic architecture and environmental exposures. Decreased risk of CRC has been associated with physical activity, but protective responses are variable. Here, we utilized a series of experiments to examine the effects of genetic background (strain), voluntary exercise (wheel running), and their interaction on azoxymethane (AOM)-induced intestinal tumor number and size in mice. Additionally, we investigated how the timing of exercise relative to AOM exposure, and amount of exercise, affected tumor number and size. Our results indicated that voluntary exercise significantly reduced tumor number in a strain dependent manner. Additionally, among strains where exercise reduced tumor number (A/J, CC0001/Unc) the timing of voluntary exercise relative to AOM exposure was crucial. Voluntary exercise prior to or during AOM treatment resulted in a significant reduction in tumor number, but exercise following AOM exposure had no effect. The results indicate that voluntary exercise should be used as a preventative measure to reduce risk for environmentally induced CRC with the realization that the extent of protection may depend on genetic background.
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Affiliation(s)
- Scott A Kelly
- Department of Zoology, Ohio Wesleyan University, Delaware, Ohio 43015, USA
| | - Liyang Zhao
- Department of Genetics, University of North Carolina, Chapel Hill, North Carolina 27599, USA
| | - Kuo-Chen Jung
- Department of Genetics, University of North Carolina, Chapel Hill, North Carolina 27599, USA
| | - Kunjie Hua
- Department of Genetics, University of North Carolina, Chapel Hill, North Carolina 27599, USA
| | - David W Threadgill
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas 77843, USA.,Department of Molecular and Cellular Medicine, College of Medicine, Texas A&M University, College Station, Texas 77843, USA
| | - Yunjung Kim
- Department of Genetics, University of North Carolina, Chapel Hill, North Carolina 27599, USA
| | | | - Daniel Pomp
- Department of Genetics, University of North Carolina, Chapel Hill, North Carolina 27599, USA
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7
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Xhaard C, Lence-Anta JJ, Ren Y, Borson-Chazot F, Sassolas G, Schvartz C, Colonna M, Lacour B, Danzon A, Velten M, Clero E, Maillard S, Marrer E, Bailly L, Mariné Barjoan E, Schlumberger M, Orgiazzi J, Adjadj E, Pereda CM, Turcios S, Velasco M, Chappe M, Infante I, Bustillo M, García A, Salazar S, Rodriguez R, Benadjaoud MA, Ortiz RM, Rubino C, de Vathaire F. Recreational Physical Activity and Differentiated Thyroid Cancer Risk: A Pooled Analysis of Two Case-Control Studies. Eur Thyroid J 2016; 5:132-8. [PMID: 27493888 PMCID: PMC4949366 DOI: 10.1159/000445887] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 04/02/2016] [Indexed: 02/05/2023] Open
Abstract
PURPOSE Physical activity has been hypothesized to influence cancer occurrence through several mechanisms. To date, its relation with thyroid cancer risk has been examined in relatively few studies. We pooled 2 case-control studies conducted in Cuba and Eastern France to assess the relationship between self-reported practice of recreational physical activity since childhood and thyroid cancer risk. METHODS This pooled study included 1,008 cases of differentiated thyroid cancer (DTC) matched with 1,088 controls (age range 9-35 and 17-60 years in the French and Cuban studies, respectively). Risk factors associated with the practice of recreational physical activity were estimated using OR and 95% CI. Logistic regressions were stratified by age class, country, and gender and were adjusted for ethnic group, level of education, number of pregnancies for women, height, BMI, and smoking status. RESULTS Overall, the risk of thyroid cancer was slightly reduced among subjects who reported recreational physical activity (OR = 0.8; 95% CI 0.5-1.0). The weekly frequency (i.e. h/week) seems to be more relevant than the duration (years). CONCLUSION Long-term recreational physical activity, practiced since childhood, may reduce the DTC risk. However, the mechanisms whereby the DTC risk decreases are not yet entirely clear.
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Affiliation(s)
- Constance Xhaard
- U1018, Centre d'Epidémiologie et de Santé des Populations (CESP), Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France
- Institut Gustave Roussy, Villejuif, France
- Université Paris-Saclay, Villejuif, France
| | | | - Yan Ren
- U1018, Centre d'Epidémiologie et de Santé des Populations (CESP), Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France
- Institut Gustave Roussy, Villejuif, France
- Université Paris-Saclay, Villejuif, France
| | - Françoise Borson-Chazot
- Groupement Hospitalier Lyon-Est, Hospices Civils de Lyon, Fédération d'Endocrinologie, Bron, France
- Rhône-Alpes Thyroid Cancer Registry, Cancer Research Center of Lyon (UMR INSERM 1052, CNRS 5286), RTH Laennec Faculty of Medicine, University of Lyon, Lyon, France
| | - Geneviève Sassolas
- Rhône-Alpes Thyroid Cancer Registry, Cancer Research Center of Lyon (UMR INSERM 1052, CNRS 5286), RTH Laennec Faculty of Medicine, University of Lyon, Lyon, France
| | - Claire Schvartz
- Thyroid Cancer Registry of Champagne-Ardennes, Institut Jean Godinot, Reims, France
| | | | - Brigitte Lacour
- U1018, Centre d'Epidémiologie et de Santé des Populations (CESP), Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France
- French National Registry of Childhood Solid Tumours, CHU, Nancy, France
| | - Arlette Danzon
- Cancer Registry of Doubs, EA 3181, Université de Franche-Comté, Besançon, France
| | - Michel Velten
- Cancer Registry of Bas-Rhin, EA 3430, Faculty of Medicine, University of Strasbourg, Strasbourg, France
| | - Enora Clero
- U1018, Centre d'Epidémiologie et de Santé des Populations (CESP), Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France
- Institut Gustave Roussy, Villejuif, France
- Université Paris-Saclay, Villejuif, France
| | - Stéphane Maillard
- U1018, Centre d'Epidémiologie et de Santé des Populations (CESP), Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France
- Institut Gustave Roussy, Villejuif, France
- Université Paris-Saclay, Villejuif, France
| | - Emilie Marrer
- Cancer Registry of Haut-Rhin, Mulhouse Hospital, Mulhouse, France
| | - Laurent Bailly
- Public Health Department, University Hospital Nice, Nice, France
| | | | | | - Jacques Orgiazzi
- Department of Endocrinology, Hospices Civils de Lyon, Lyon, France
| | - Elisabeth Adjadj
- U1018, Centre d'Epidémiologie et de Santé des Populations (CESP), Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France
- Université Paris-Saclay, Villejuif, France
| | - Celia M. Pereda
- National Institute of Oncology and Radiobiology (INOR), Havana, Cuba
| | | | - Milagros Velasco
- National Institute of Oncology and Radiobiology (INOR), Havana, Cuba
| | - Mae Chappe
- National Institute of Oncology and Radiobiology (INOR), Havana, Cuba
| | - Idalmis Infante
- National Institute of Oncology and Radiobiology (INOR), Havana, Cuba
| | - Marlene Bustillo
- National Institute of Oncology and Radiobiology (INOR), Havana, Cuba
| | - Anabel García
- National Institute of Oncology and Radiobiology (INOR), Havana, Cuba
| | - Sirced Salazar
- National Institute of Oncology and Radiobiology (INOR), Havana, Cuba
| | | | - Mohamed Amine Benadjaoud
- U1018, Centre d'Epidémiologie et de Santé des Populations (CESP), Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France
- Institut Gustave Roussy, Villejuif, France
- Université Paris-Saclay, Villejuif, France
| | - Rosa M. Ortiz
- National Institute of Oncology and Radiobiology (INOR), Havana, Cuba
| | - Carole Rubino
- U1018, Centre d'Epidémiologie et de Santé des Populations (CESP), Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France
- Institut Gustave Roussy, Villejuif, France
- Université Paris-Saclay, Villejuif, France
| | - Florent de Vathaire
- U1018, Centre d'Epidémiologie et de Santé des Populations (CESP), Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France
- Institut Gustave Roussy, Villejuif, France
- Université Paris-Saclay, Villejuif, France
- *Florent de Vathaire, Radiation Epidemiology Group, U1018, Institut Gustave Roussy, Rue Edouard Vaillant, FR–94805 Villejuif (France), E-Mail
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8
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Hwang Y, Lee KE, Park YJ, Kim SJ, Kwon H, Park DJ, Cho B, Choi HC, Kang D, Park SK. Annual Average Changes in Adult Obesity as a Risk Factor for Papillary Thyroid Cancer: A Large-Scale Case-Control Study. Medicine (Baltimore) 2016; 95:e2893. [PMID: 26945379 PMCID: PMC4782863 DOI: 10.1097/md.0000000000002893] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
We evaluated the association between weight change in middle-aged adults and papillary thyroid cancer (PTC) based on a large-scale case-control study. Our study included data from 1551 PTC patients (19.3% men and 80.7% women) who underwent thyroidectomy at the 3 general hospitals in Korea and 15,510 individually matched control subjects. The subjects' weight history, epidemiologic information, and tumor characteristics confirmed after thyroidectomy were analyzed. Odds ratios (ORs) and 95% confidence intervals (95% CIs) were determined for the annual average changes in weight and obesity indicators (body mass index (BMI), body surface area, and body fat percentage (BF%) in subjects since the age of 35 years. Subjects with a total weight gain ≥10 kg after age 35 years were more likely to have PTC (men, OR, 5.39, 95% CI, 3.88-7.49; women, OR, 3.36, 95% CI, 2.87-3.93) compared with subjects with a stable weight (loss or gain <5 kg). A marked increase in BMI since age 35 years (annual average change of BMI ≥0.3 kg/m/yr) was related to an elevated PTC risk, and the association was more pronounced for large-sized PTC risks (<1 cm, OR, 2.34, 95% CI, 1.92-2.85; ≥1 cm, OR, 4.00, 95% CI, 2.91-5.49, P heterogeneity = 0.005) compared with low PTC risks. Weight gain and annual increases in obesity indicators in middle-aged adults may increase the risk of developing PTC.
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Affiliation(s)
- Yunji Hwang
- From the Department of Preventive Medicine (YH, DK, SKP), Seoul National University College of Medicine; Department of Biomedical Science (YH, DK, SKP), Seoul National University Graduate School; Cancer Research Institute (YH, KEL, DK, SKP), Seoul National University College of Medicine; Department of Surgery (KEL, S-JK, HK), Seoul National University Hospital and College of Medicine; Division of Surgery (KEL), Thyroid Center, Seoul National University Cancer Hospital; Department of Internal Medicine (YJP, DJP), Seoul National University College of Medicine; Department of Family Medicine (BC, H-CC), Health Promotion Center for Cancer Survivor, Seoul National University Hospital, Seoul; and Advanced Institutes of Convergence Technology (BC, H-CC), Seoul National University, Suwon-si, Gyeonggi-do, Korea
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9
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Asif F, Ahmad MR, Majid A. Risk Factors for Thyroid Cancer in Females Using a Logit Model in Lahore, Pakistan. Asian Pac J Cancer Prev 2015; 16:6243-7. [DOI: 10.7314/apjcp.2015.16.15.6243] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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10
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Recent physical activity in relation to DNA damage and repair using the comet assay. J Phys Act Health 2014; 11:770-6. [PMID: 25078521 DOI: 10.1123/jpah.2012-0278] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND Limited evidence suggests that very high-intensity exercise is positively associated with DNA damage but moderate exercise may be associated with DNA repair. METHODS Participants were 220 healthy, Washington State 50- to 76-year-olds in the validity/biomarker substudy of the VITamins And Lifestyle (VITAL) cohort, who provided blood samples and completed questionnaires assessing recent physical activity and demographic and health factors. Measures included nested activity subsets: total activity, moderate- plus high-intensity activity, and high-intensity activity. DNA damage (n = 122) and repair (n = 99) were measured using the comet assay. Multivariate linear regression was used to estimate regression coefficients and associated 95% confidence intervals (CIs) for relationships between MET-hours per week of activity and each DNA outcome (damage, and 15- and 60-minute repair capacities). RESULTS DNA damage was not associated with any measure of activity. However, 60-minute DNA repair was positively associated with both total activity (β = 0.21, 95% CI: 0.0057-0.412; P = .044) and high-intensity activity (β = 0.31, 95% CI: 0.20-0.60; P = .036), adjusting for age, sex, BMI, and current multivitamin use. CONCLUSIONS This study is the first to assess broad ranges of activity intensity levels related to DNA damage and repair. Physical activity was unrelated to DNA damage but was associated with increased repair.
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Slabe Erker R, Ličen S. Dejavniki gibalne aktivnosti in z zdravjem povezane kakovosti življenja. OBZORNIK ZDRAVSTVENE NEGE 2014. [DOI: 10.14528/snr.2014.48.2.18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Uvod: Gibalna aktivnost koristi telesnemu in duševnemu zdravju. Namen članka je ugotoviti dejavnike, ki vplivajo nanjo, in možne ukrepe za povečanje te dejavnosti. Cilj članka je spodbuditi strokovnjake s področij zdravja in športne dejavnosti k sodelovanju pri oblikovanju in izvajanju učinkovitih ukrepov za povečanje gibanja med prebivalstvom.
Metode: Opravljen je bil pregled literature o dejavnikih, ki vplivajo na gibalno aktivnost in z zdravjem povezano kakovost življenja, ter o ukrepih, povezanih z njimi. V pregled so vključene raziskave, ki so objavljene v angleškem jeziku v obdobju 2000–2010 in evidentirane v Web of Science (SCI-EXPANDED ali SSCI). Članek povzema izsledke 46 objav, za potrebe teoretičnih izhodišč pa še dodatnih 43 objav.
Rezultati: Na odločitev za gibanje vplivajo lastnosti posameznika in širšega družbenoekonomskega okolja. Bistveni so starost, spol in zdravstveni status posameznika. Pri posameznih skupinah populacije prepoznamo specifične dejavnike, ki vplivajo na odločitev za gibalno aktivnost. Učinkoviti ukrepi spodbujanja gibanja so zato usmerjeni na te skupine in izhajajo iz identificiranih dejavnikov.
Diskusija in zaključek: Raznolikost omenjenih skupin in dejavnikov je osnova za načrtovanje preventivnih oziroma interventnih ukrepov. Smiselno je, da se pri organiziranju in izvajanju programov povežejo organizacije s področij zdravstva, športa in druge interesne skupine. Pri tem naj izkoristijo obstoječe zakonske okvire.
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Physical activity, diabetes, and risk of thyroid cancer: a systematic review and meta-analysis. Eur J Epidemiol 2013; 28:945-58. [PMID: 24243033 DOI: 10.1007/s10654-013-9865-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Accepted: 11/08/2013] [Indexed: 12/11/2022]
Abstract
Thyroid cancer incidence has been increasing more rapidly over time than the occurrence of cancers of other sites, and interest in potential adverse relations of diabetes and lack of physical activity to thyroid cancer risk is accumulating. We conducted a systematic review and meta-analysis of published epidemiologic studies on the relations of physical activity and diabetes to thyroid cancer according to the Meta-analysis of Observational Studies in Epidemiology guidelines. Published studies were identified through a search in MEDLINE and EMBASE. Random-effects models were used to summarize thyroid cancer risk estimates comparing high versus low levels of physical activity, and separately, comparing individuals with diabetes versus those without diabetes. Meta-regression analyses were performed to evaluate potential effect modification by study design and thyroid cancer risk factors. Information was extracted from seven studies of physical activity and thyroid cancer and from six studies of diabetes and thyroid cancer. The number of individuals from studies on physical activity was 939,305 (yielding 2,250 incident thyroid cancer cases) and from studies on diabetes it was 960,840 (yielding 1,230 cases). The summary relative risk (RR) estimate from cohort and case-control studies combined indicated no association between physical activity and thyroid cancer (summary RR 1.06, 95 % confidence interval (CI) 0.79-1.42). Subgroup-analyses revealed a significant positive association between physical activity and thyroid cancer in cohort studies (summary RR 1.28; 95 % CI 1.01-1.63), whereas the relation was suggestively inverse in case-control studies (summary RR 0.70; 95 % CI 0.48-1.03; p for heterogeneity = 0.005). Individuals with diabetes showed a borderline statistically significant increased risk of thyroid cancer compared with those without diabetes (summary RR 1.17; 95 % CI 0.99-1.39). The relations of physical activity and diabetes to thyroid cancer were not modified by sex, number of adjustment factors, and adjustments for adiposity, smoking, and study quality. In this comprehensive systematic review and meta-analysis, no significant association between physical activity and thyroid cancer was found. Diabetes showed a suggestive positive relation with risk of thyroid cancer.
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Zhao ZG, Guo XG, Ba CX, Wang W, Yang YY, Wang J, Cao HY. Overweight, obesity and thyroid cancer risk: a meta-analysis of cohort studies. J Int Med Res 2013; 40:2041-50. [PMID: 23321160 DOI: 10.1177/030006051204000601] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE This meta-analysis examined the relationship between excess body weight or body mass index (BMI) and risk of thyroid cancer. METHODS PubMed(®), MEDLINE(®), EMBASE™ and Academic Search™ Premier databases were searched to identify cohort studies examining the effect of being overweight or obese on the risk of thyroid cancer. RESULTS The inclusion criteria were met by seven cohort studies (total number of thyroid cancer cases, 5154). The pooled relative risk (RR) of thyroid cancer was 1.13 (95% confidence interval [CI] 1.04, 1.22) for overweight. Obesity was also linked with increased thyroid cancer risk in males and females, the strength of the association increasing with increasing BMI. The combined RR of thyroid cancer was 1.18 (95% CI 1.11, 1.25) for excess body weight (overweight and obesity combined). Being overweight was associated with a significant increase in thyroid cancer risk among non-Asians, but not among Asians. Overweight, obesity and excess body weight were all associated with papillary thyroid carcinoma risk. CONCLUSIONS The association between overweight/obesity/excess body weight and thyroid cancer risk was confirmed.
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Affiliation(s)
- Z G Zhao
- Third Department of Surgery, Baotou Tumour Hospital, Baotou, Inner Mongolia Autonomous Region, China
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Recreational physical activity and risk of papillary thyroid cancer among women in the California Teachers Study. Cancer Epidemiol 2012; 37:46-53. [PMID: 23116823 DOI: 10.1016/j.canep.2012.09.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2012] [Revised: 09/22/2012] [Accepted: 09/29/2012] [Indexed: 12/11/2022]
Abstract
PURPOSE Little is known about the relationship between physical activity and thyroid cancer risk, and few cohort data on this association exist. Thus, the present study aimed to prospectively examine long-term activity and risk of papillary thyroid cancer among women. METHODS 116,939 women in the California Teachers Study, aged 22-79 years with no history of thyroid cancer at cohort entry, were followed from 1995-1996 through 2009; 275 were diagnosed with invasive papillary thyroid cancer. Cox proportional-hazards regression provided relative risk (RR) estimates and 95% confidence intervals (CI) for associations between thyroid cancer and combined strenuous and moderate recreational physical activity both in the long-term (high school through age 54 years or current age if younger than 54 years) and recently (during the three years prior to joining the cohort). RESULTS Overall, women whose long-term recreational physical activity averaged at least 5.5 MET-hours/week (i.e. were active) had a non-significant 23% lower risk of papillary thyroid cancer than inactive women (RR = 0.77, 95% CI: 0.57, 1.04). RR estimates were stronger among normal weight or underweight women (body mass index, BMI<25.0 kg/m(2), trend p = 0.03) than among overweight or obese women (trend p = 0.35; homogeneity-of-trends p = 0.03). A similar pattern of risk was observed for recent activity (BMI<25 kg/m(2), trend p = 0.11; BMI≥25 kg/m(2), trend p = 0.16; homogeneity-of-trends p = 0.04). Associations for long-term activity did not appear to be driven by activity in any particular life period (e.g. youth, adulthood). CONCLUSIONS Long-term physical activity may reduce papillary thyroid cancer risk among normal weight and underweight women.
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Kitahara CM, Platz EA, Beane Freeman LE, Black A, Hsing AW, Linet MS, Park Y, Schairer C, Berrington de González A. Physical activity, diabetes, and thyroid cancer risk: a pooled analysis of five prospective studies. Cancer Causes Control 2012; 23:463-471. [PMID: 22294499 DOI: 10.1007/s10552-012-9896-y] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2011] [Accepted: 01/06/2012] [Indexed: 12/18/2022]
Abstract
PURPOSE: Although many studies have linked obesity with increased risk of thyroid cancer, few have investigated the role of obesity-related lifestyle characteristics and medical conditions in the etiology of this disease. We examined the associations of self-reported physical activity and diabetes history with thyroid cancer risk in a large pooled analysis of prospective cohort studies. METHODS: Data from five prospective studies in the U.S. (n = 362,342 men, 312,149 women) were coded using standardized exposure, covariate, and outcome definitions. Hazard ratios (HR) and 95% confidence intervals (CI) for thyroid cancer were estimated using age as the time metric and adjusting for sex, education, race, marital status, cigarette smoking, body mass index, alcohol intake, and cohort. Effect modification by other risk factors (e.g., age, sex, and body mass index) and differences by cancer subtype (e.g., papillary, follicular) were also examined. RESULTS: Over follow-up (median = 10.5 years), 308 men and 510 women were diagnosed with a first primary thyroid cancer. Overall, subjects reporting the greatest amount of physical activity had an increased risk of the disease (HR = 1.18, 95% CI:1.00-1.39); however, this association was restricted to participants who were overweight/obese (≥25 kg/m(2); HR = 1.34, 95% CI:1.09-1.64) as opposed to normal-weight (<25 kg/m(2); HR = 0.92, 95% CI:0.69-1.22; P-interaction = 0.03). We found no overall association between self-reported history of diabetes and thyroid cancer risk (HR = 1.08, 95% CI:0.83-1.40). CONCLUSION: Neither physical inactivity nor diabetes history was associated with increased risk of thyroid cancer. While it may have been a chance finding, the possible increased risk associated with greater physical activity warrants further investigation.
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Affiliation(s)
- Cari M Kitahara
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, EPS 7056, 6120 Executive Blvd, Rockville, MD, 20852, USA,
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Peterson E, De P, Nuttall R. BMI, diet and female reproductive factors as risks for thyroid cancer: a systematic review. PLoS One 2012; 7:e29177. [PMID: 22276106 PMCID: PMC3261873 DOI: 10.1371/journal.pone.0029177] [Citation(s) in RCA: 114] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Accepted: 11/22/2011] [Indexed: 11/29/2022] Open
Abstract
Background Thyroid cancer incidence rates have been increasing worldwide but the reason behind this is unclear. Both the increasing use of diagnostic technologies allowing the detection of thyroid cancer and a true increase in thyroid cancer incidence have been proposed. This review assesses the role of body mass index (BMI), diet, and reproductive factors on the thyroid cancer trend. Methods Epidemiologic studies of the selected risk factors up to June 2010 were reviewed and critically assessed. Results Among the thirty-seven studies reviewed and despite variation in the risk estimates, most papers supported a small but positive association for BMI (risk estimate range: 1.1–2.3 in males and 1.0–7.4 in females.). Among specific dietary components, there was no consistent association of thyroid cancer risk with iodine intake through fortification (risk estimate range: 0.49–1.6) or fish consumption (risk estimate range 0.6–2.2), nor with diets high in cruciferous vegetables (risk estimate range 0.6–1.9). A small number of studies showed a consistent protective effect of diets high in non-cruciferous vegetable (risk estimate range: 0.71–0.92). Among reproductive factors (pregnancy, parity, number of live births, use of prescription hormones, menstrual cycle regularity, and menopausal status), none were consistently associated with higher thyroid cancer risk. Conclusions BMI had the strongest link to thyroid cancer risk among those examined. Detailed examinations of population-level risk factors can help identify and support prevention efforts to reduce the burden of thyroid cancer.
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Affiliation(s)
- Emily Peterson
- University of Toronto, Dalla Lana School of Public Health, Division of Epidemiology, Toronto, Ontario, Canada
| | - Prithwish De
- University of Toronto, Dalla Lana School of Public Health, Division of Epidemiology, Toronto, Ontario, Canada
- Canadian Cancer Society, Cancer Control Policy, Toronto, Ontario, Canada
- * E-mail:
| | - Robert Nuttall
- Canadian Cancer Society, Cancer Control Policy, Toronto, Ontario, Canada
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Anthropometric factors and physical activity and risk of thyroid cancer in postmenopausal women. Cancer Causes Control 2012; 23:421-30. [DOI: 10.1007/s10552-011-9890-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Accepted: 12/19/2011] [Indexed: 01/10/2023]
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Abstract
BACKGROUND Thyroid cancer incidence in Korean women has increased radically and is the highest in all cancer types. However, the rate of cancer screening among women is very low. OBJECTIVE The aim of the study was to determine the risk factors for thyroid cancer and to develop a predictive model based on these risk factors. METHODS The study design comprised a literature review and a case-control study. To construct a predictive model, the participants selected were 260 female outpatients diagnosed with malignant neoplasm of thyroid gland who had undergone thyroid removal surgery. A total of 259 people for the control group were selected by adopting a 5-year age-matching method. RESULTS From the literature review, 6 categories of risk factors were identified. Nine variables, including occupation, live(d) in coastal region, family history of thyroid cancer, history of benign thyroid tumor, menopause status and weight gain, number of full-term deliveries, abortion, exercise intensity, and stress, remained as statistically significant risk factors in the stepwise regression model. Regarding the predictive power of the model, the area under the receiver operating characteristic curve was .79, accuracy was .77, sensitivity was .89, specificity was .65, positive predictive value was .72, and negative predictive value was .85. CONCLUSION The predictive power of the model was relatively good, so it can be used to identify individuals at high risk for thyroid cancer. IMPLICATIONS FOR PRACTICE The predictive model can be used in promoting to participate in early cancer-screening tests. Thus, it will be possible to detect thyroid cancer in its earliest stage, diminish mortality, and improve quality of life.
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Robsahm TE, Hestvik UE, Veierød MB, Fagerlie A, Nystad W, Engebretsen L, Tretli S. Cancer risk in Norwegian world class athletes. Cancer Causes Control 2010; 21:1711-9. [DOI: 10.1007/s10552-010-9600-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2010] [Accepted: 06/02/2010] [Indexed: 11/29/2022]
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Leitzmann MF, Brenner A, Moore SC, Koebnick C, Park Y, Hollenbeck A, Schatzkin A, Ron E. Prospective study of body mass index, physical activity and thyroid cancer. Int J Cancer 2010; 126:2947-56. [PMID: 19795465 DOI: 10.1002/ijc.24913] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Increased body size and physical inactivity are positively related to risk of several cancers, but only few epidemiologic studies have investigated body-mass index (BMI) and physical activity in relation to thyroid cancer. We examined the relations of BMI and physical activity to thyroid cancer in a prospective cohort of 484,326 United States men and women, followed from 1995/1996 to 2003. During 3,490,300 person-years of follow-up, we documented 352 newly incident cases of thyroid cancer. The multivariate relative risks (RR) of thyroid cancer for BMI values of 18.5-24.9 (reference), 25.0-29.9 and >/=30 kg m(-2) were 1.0, 1.27 and 1.39 [95% confidence interval (CI) = 1.05-1.85]. Adiposity predicted papillary thyroid cancers (RR comparing extreme BMI categories = 1.47; 95% CI = 1.03-2.10) and, based on small numbers, suggestively predicted follicular thyroid cancers (RR = 1.49; 95% CI = 0.79-2.82) and anaplastic thyroid cancers (RR = 5.80; 95% CI = 0.99-34.19). No relation with BMI was noted for medullary thyroid cancers (RR = 0.97; 95% CI = 0.27-3.43). The positive relation of BMI to total thyroid cancer was evident for men but not for women. However, the test of interaction (p = 0.463) indicated no statistically significant gender difference. Physical activity was unassociated with thyroid cancer. The RRs of total thyroid cancer for low (reference), intermediate, and high level of physical activity were 1.0, 1.01 and 1.01 (95% CI = 0.76-1.34, p for trend = 0.931), respectively. Our results support an adverse effect of adiposity on risk for developing total and papillary, and possibly follicular thyroid cancers. Based on only 15 cases, adiposity was unrelated to medullary thyroid cancers. Physical activity was unrelated to total thyroid cancer.
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Affiliation(s)
- Michael F Leitzmann
- Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health/DHHS, Bethesda, MD 20892, USA.
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Abstract
Physical exercise has attracted increased interest in rehabilitation of oncological patients. The purpose of this paper is to review the literature and summarize the evidence of physical exercise in preventing cancer, its ability in attenuating the effect of cancer and its treatments and to provide guidelines for exercise prescription Review of recent literature by electronic search of MEDline (Pub Med), Cancer lit, Cochrane libraries, CINAHL were done using Keywords and the variables were identified and systematically evaluated. There is strong evidence for reduced risk of colorectal and breast cancer with possible association for prostate, endometrial and lung cancer with increasing physical activity. Exercise helps cancer survivors cope with and recover from treatment; exercise may improve the health of long term cancer survivors and extend survival. Physical exercise will benefit throughout the spectrum of cancer. However, an understanding of the amount, type and intensity of exercise needed has not been fully elucidated. There is sufficient evidence to promote exercise in cancer survivors following careful assessment and tailoring on exercise prescription.
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Affiliation(s)
- P. Rajarajeswaran
- College of Physiotherapy, Mother Theresa Post Graduate and Research Institute of Health Sciences, Puducherry – 6, India
| | - R. Vishnupriya
- College of Physiotherapy, Mother Theresa Post Graduate and Research Institute of Health Sciences, Puducherry – 6, India
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Brindel P, Doyon F, Rachédi F, Boissin JL, Sebbag J, Shan L, Chungue V, Bost-Bezeaud F, Petitdidier P, Paoaafaite J, Teuri J, de Vathaire F. Anthropometric factors in differentiated thyroid cancer in French Polynesia: a case–control study. Cancer Causes Control 2008; 20:581-90. [DOI: 10.1007/s10552-008-9266-y] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2008] [Accepted: 11/07/2008] [Indexed: 11/29/2022]
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Dal Maso L, Bosetti C, La Vecchia C, Franceschi S. Risk factors for thyroid cancer: an epidemiological review focused on nutritional factors. Cancer Causes Control 2008; 20:75-86. [PMID: 18766448 DOI: 10.1007/s10552-008-9219-5] [Citation(s) in RCA: 184] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2008] [Accepted: 08/11/2008] [Indexed: 10/21/2022]
Abstract
OBJECTIVES The present review summarizes epidemiological evidence on risk factors for thyroid cancer (TC), in particular, nutritional factors. METHODS Searches of articles on the issue were conducted using MEDLINE. RESULTS Exposure to ionizing radiation, particularly during childhood, is the best-established risk factor for TC. There is also a strong association with history of benign nodules/adenoma or goiter. Iodine deficiency may induce an increasing incidence of benign thyroid conditions, but very high iodine intake also affects thyroid function and, possibly, TC risk. Among dietary factors, fish-the major natural source of iodine in human diet-is not consistently related to TC risk. High intake of cruciferous vegetables shows a weak inverse association with TC. Among other food groups, vegetables other than cruciferous are the only food group showing a favorable effect on TC, with an approximate 20% reduction in risk for subjects with the highest consumption. No effect on TC risk of alcohol, coffee, or other food-groups/nutrients emerged. Height and weight at diagnosis show a moderate positive association with TC risk. CONCLUSION At present, the only recognized measures for reducing TC risk is to avoid ionizing radiation and iodine deficiency, particularly in childhood and young women, and to increase vegetable consumption.
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Affiliation(s)
- Luigino Dal Maso
- Unità di Epidemiologia e Biostatistica, Centro di Riferimento Oncologico, Via F. Gallini 2, Aviano (PN), 33081, Italy.
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Friedenreich CM, Orenstein MR. Physical activity and cancer prevention: etiologic evidence and biological mechanisms. J Nutr 2002; 132:3456S-3464S. [PMID: 12421870 DOI: 10.1093/jn/132.11.3456s] [Citation(s) in RCA: 451] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Scientific evidence is accumulating on physical activity as a means for the primary prevention of cancer. Nearly 170 observational epidemiologic studies of physical activity and cancer risk at a number of specific cancer sites have been conducted. The evidence for decreased risk with increased physical activity is classified as convincing for breast and colon cancers, probable for prostate cancer, possible for lung and endometrial cancers and insufficient for cancers at all other sites. Despite the large number of studies conducted on physical activity and cancer, most have been hampered by incomplete assessment of physical activity and a lack of full examination of effect modification and confounding. Several plausible hypothesized biological mechanisms exist for the association between physical activity and cancer, including changes in endogenous sexual and metabolic hormone levels and growth factors, decreased obesity and central adiposity and possibly changes in immune function. Weight control may play a particularly important role because links between excess weight and increased cancer risk have been established for several sites, and central adiposity has been particularly implicated in promoting metabolic conditions amenable to carcinogenesis. Based on existing evidence, some public health organizations have issued physical activity guidelines for cancer prevention, generally recommending at least 30 min of moderate-to-vigorous intensity physical activity on > or =5 d/wk. Although most research has focused on the efficacy of physical activity in cancer prevention, evidence is increasing that exercise also influences other aspects of the cancer experience, including cancer detection, coping, rehabilitation and survival after diagnosis.
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Affiliation(s)
- Christine M Friedenreich
- Division of Epidemiology, Prevention and Screening, Alberta Cancer Board, Calgary, Alberta, Canada, T2N 1N3.
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