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General Role of Lifesyle and Aging

2009.10.24 15:37

이한중*65 Views:8581

Role of Lifestyle and Aging on the longitudinal
Change in Cardiorespiratory Fitness / Jackson et al,
Archives of Internal Medicine, Oct 26, 2009


    Cardiorespiratory fitness(CRF) in adults decreases with age and
    is influenced by lifestyle. Low CRF is associated with risk of
    diseases and the ability of older persons to function
    independently.

    They studied 3429 women and 16889 men, aged 20 to 96 yrs,
    from the Aerobics Center Longitudinal Study who completed
    2 to 33 health exams from 1974 to 2006.

    The lifestyle variables were body mass index, aerobic exercise,
    and smoking. CRF was measured by the treadmill exercise test.
    The result. The decline in CRF with age was not linear.
    (In other words, getting old does not mean steady decline in
    CRF. You can slow down the decline.)

    After 45 years of age, CRF declined at an accelerated rate.
    Maintaining a low BMI, being physically active and not smoking
    are associated with higher CRF across the adult life span
    from age 20 to 96.

    For each unit of increase in body mass index,
    the CRF of women declined 0.20 METs; that of men, 0.32 METs.
    Smokers of both sexes had lower CRF.
    Comment:
    This is very encouraging news, giving our aging
    alumni and their spouses much hope for their continuing
    independence. Your fitness can be maintained indefinitely
    as long as you maintain your ideal body weight, do aerobic
    exercises regularly and do not smoke.
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