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Editorial
November 14, 2005

How Much and What Type of Physical Activity Is Enough?What Physicians Should Tell Their Patients

Arch Intern Med. 2005;165(20):2324-2325. doi:10.1001/archinte.165.20.2324

Regular physical activity is associated with higher levels of physical fitness, particularly aerobic power or cardiorespiratory fitness, favorable chronic-disease risk-factor profiles, reduced risk of clinical events, and greater longevity.1-4 However, an incomplete understanding still exists as to the specific dose of physical activity, in terms of frequency, intensity, and duration, and the related volume of energy expenditure that is effective in achieving specific biological or clinical outcomes.

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