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  1. Does physical activity reduce risk of estrogen-dependent cancer in women ?

    Article - En anglais

    The estrogen-dependent cancers (breast, endometrial, and ovarian) are among the leading causes of morbidity and mortality in American women.

    Increased incidence of these cancers is predicted in the future, and the need for primary prevention is clear.

    Sufficient evidence has accumulated to warrant an analysis of the relationship between physical activity and estrogen-dependent cancer.

    Recent epidemiological studies confirm an inverse relationship between physical activity and estrogen-dependent cancer, with stronger associations appearing for occupational activity than for leisure time or nonoccupational activity.

    Several hypothesized mechanisms are described for the prevention of estrogen-dependent cancer by physical activity : I) maintenance of low body fat and moderation of extraglandular estrogen, 2) reduction in number of ovulatory cycles and subsequent diminution of lifetime exposure to endogenous estrogen, 3) enhancement of natural immune function, and 4) the association of other healthy lifestyle habits.

    Although the mechanisms are not well defined, several lines of evidence support the inclusion of low-to-moderate physical activity as a preventive strategy for estrogen-dependent cancer.

    Mots-clés Pascal : Prévention, Epidémiologie, Etats Unis, Amérique du Nord, Amérique, Exercice physique, Mode de vie, Poids corporel, Cycle menstruel, Glande mammaire, Ovaire, Tumeur maligne, Utérus, Appareil génital femelle pathologie, Glande mammaire pathologie, Utérus pathologie, Ovaire pathologie, Homme, Femelle

    Mots-clés Pascal anglais : Prevention, Epidemiology, United States, North America, America, Physical exercise, Life habit, Body weight, Menstrual cycle, Mammary gland, Ovary, Malignant tumor, Uterus, Female genital diseases, Mammary gland diseases, Uterine diseases, Ovarian diseases, Human, Female

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 96-0197740

    Code Inist : 002B20E02. Création : 199608.