Regular exercise extends life

Published: March, 2013

Obtaining the generally recommended amount of regular physical activity—150 minutes a week of moderate exercise—extends life span by up to several years for some people, according to a study in the American Journal of Preventive Medicine.

Researchers mined several large national databases of health information. They sorted people into three categories: inactive, somewhat active, and active. Then they calculated how long people lived by sex and racial or ethnic groups.

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