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Behavioral risk factors in breast cancer: can risk be modified?

Abstract

The International Agency for Research on Cancer estimates that 25% of breast cancer cases worldwide are due to overweight/obesity and a sedentary lifestyle. The preponderance of epidemiologic studies indicates that women who engage in 3-4 hours per week of moderate to vigorous levels of exercise have a 30%-40% lower risk for breast cancer than sedentary women. Women who are overweight or obese have a 50%-250% greater risk for postmenopausal breast cancer. Alcohol use, even at moderate levels (two drinks per day) increases risk for both premenopausal and postmenopausal breast cancer. Certain dietary patterns, such as high fat, low vegetables/fruits, low fiber, and high simple carbohydrates, may increase risk, but definitive data are lacking. These lifestyle factors are likely associated with breast cancer etiology through hormonal mechanisms. The worldwide trends of increasing overweight and obesity and decreasing physical activity may lead to an increasing incidence of breast cancer unless other means of risk reduction counteract these effects. Thus, adoption of lifestyle changes by individuals and populations may have a large impact on the future incidence of this disease.

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  • Authors+Show Affiliations

    Cancer Prevention Research Program, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109-1024, USA. amctiern@fhcrc.org

    Source

    The oncologist 8:4 2003 pg 326-34

    MeSH

    Attitude to Health
    Behavior
    Breast Neoplasms
    Diet
    Female
    Health Education
    Humans
    Incidence
    Life Style
    Motor Activity
    Obesity
    Primary Prevention
    Risk Factors
    United States

    Pub Type(s)

    Journal Article
    Review

    Language

    eng

    PubMed ID

    12897329

    Citation

    McTiernan, Anne. "Behavioral Risk Factors in Breast Cancer: Can Risk Be Modified?" The Oncologist, vol. 8, no. 4, 2003, pp. 326-34.
    McTiernan A. Behavioral risk factors in breast cancer: can risk be modified? Oncologist. 2003;8(4):326-34.
    McTiernan, A. (2003). Behavioral risk factors in breast cancer: can risk be modified? The Oncologist, 8(4), pp. 326-34.
    McTiernan A. Behavioral Risk Factors in Breast Cancer: Can Risk Be Modified. Oncologist. 2003;8(4):326-34. PubMed PMID: 12897329.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Behavioral risk factors in breast cancer: can risk be modified? A1 - McTiernan,Anne, PY - 2003/8/5/pubmed PY - 2003/12/5/medline PY - 2003/8/5/entrez SP - 326 EP - 34 JF - The oncologist JO - Oncologist VL - 8 IS - 4 N2 - The International Agency for Research on Cancer estimates that 25% of breast cancer cases worldwide are due to overweight/obesity and a sedentary lifestyle. The preponderance of epidemiologic studies indicates that women who engage in 3-4 hours per week of moderate to vigorous levels of exercise have a 30%-40% lower risk for breast cancer than sedentary women. Women who are overweight or obese have a 50%-250% greater risk for postmenopausal breast cancer. Alcohol use, even at moderate levels (two drinks per day) increases risk for both premenopausal and postmenopausal breast cancer. Certain dietary patterns, such as high fat, low vegetables/fruits, low fiber, and high simple carbohydrates, may increase risk, but definitive data are lacking. These lifestyle factors are likely associated with breast cancer etiology through hormonal mechanisms. The worldwide trends of increasing overweight and obesity and decreasing physical activity may lead to an increasing incidence of breast cancer unless other means of risk reduction counteract these effects. Thus, adoption of lifestyle changes by individuals and populations may have a large impact on the future incidence of this disease. SN - 1083-7159 UR - https://www.unboundmedicine.com/medline/citation/12897329/full_citation L2 - http://theoncologist.alphamedpress.org/cgi/pmidlookup?view=long&pmid=12897329 DB - PRIME DP - Unbound Medicine ER -