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Cancer risk in Norwegian world class athletes
- Source :
- Cancer Causes & Control. 21:1711-1719
- Publication Year :
- 2010
- Publisher :
- Springer Science and Business Media LLC, 2010.
-
Abstract
- Physical activity appears to be inversely related to cancer risk, although the evidence is convincing for colon cancer only. As physical activity levels are difficult to measure in the general population, we aimed to investigate how physical activity influences cancer risk using a cohort of Norwegian world class athletes.The cohort includes 3,428 athletes. Individual questionnaires gave information about physical activity and lifestyle variables until attained age. To elucidate the level of cancer risk, groups of athletes were compared to the general population (external comparisons) and to each other (internal comparisons).A slightly reduced risk of total cancer was observed in the cohort of athletes, but stronger effects were observed for subgroups. The risk reduction was most pronounced for lung cancer and for leukemia/lymphoma. In women, a threefold increased risk of thyroid cancer was observed.This cohort of athletes seems to have a reduced risk of cancer. The beneficial association, however, is weak and may be attributed to healthy lifestyle as well as to physical activity. Prolonged strenuous exercise may also increase the risk of thyroid cancer in women.
- Subjects :
- Adult
Male
Risk
Gerontology
Cancer Research
medicine.medical_specialty
Adolescent
Colorectal cancer
Population
Norwegian
Motor Activity
Cohort Studies
Young Adult
Neoplasms
Surveys and Questionnaires
medicine
Humans
Young adult
education
Life Style
Aged
Aged, 80 and over
education.field_of_study
biology
Norway
Athletes
business.industry
Incidence
Middle Aged
biology.organism_classification
medicine.disease
language.human_language
Oncology
Cohort
language
Physical therapy
Female
Risk assessment
business
Cohort study
Subjects
Details
- ISSN :
- 15737225 and 09575243
- Volume :
- 21
- Database :
- OpenAIRE
- Journal :
- Cancer Causes & Control
- Accession number :
- edsair.doi.dedup.....154f9ba718028073818cbea2086e228b