Americans spend, on average, only about two hours each week participating in sports and fitness activities, according to researchers at Penn State and the University of Maryland who examined U.S. government data from the American Time Use Study.

The U.S. Centers for Disease Control and Prevention recommends that adults aged 18 to 64 get about four hours of physical activity each week by exercising moderately for 2.5 hours per week and engaging in a vigorous activity, such as running and muscle strengthening, for an hour and fifteen minutes per week.


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