News Brief: More guidance for optimal levels of physical activity for lower risk of mortality.

More guidance for optimal levels of physical activity for lower risk of mortality. Researchers in the August 16, 2022, issue of Circulation analyzed the leisure-time physical activity of over 116,000 adults to determine the effect of long-term moderate versus vigorous physical activity on mortality. Participants completed surveys every two years over a 30-year period. Vigorous activity included running, swimming, bicycling, aerobic exercise, racket sports, and climbing stairs, while moderate activity included walking, low-intensity exercise, weight lifting, and calisthenics. The researchers found that participants reached the maximum benefit for lower mortality risk with about 150 to 300 minutes a week of vigorous physical activity or 300 to 600 minutes a week of moderate physical activity, or a combination of both. Additional time spent or higher levels of activity did not improve outcomes, nor did it result in greater risk of mortality.

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