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Marilynn Marchione

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FILE - In this Tuesday, Nov. 22, 2016 file photo, a runner is silhouetted against the sunrise on his early morning workout near Arlington National Cemetery in Arlington, Va., across the Potomac River from the nation's capital. Research released on Monday, Jan. 9, 2017 suggests that people who pack their workouts into one or two days a week lower their risk of dying as much as those who exercise more often, as long as they get enough of it. (AP Photo/J. David Ake) (AP)

It’s all good: Any exercise at all cuts risk of death, study finds

Marilynn Marchione