How much exercise do we actually need?

An hourly two-minute stroll when you would usually be sitting at your desk or lounging on the couch could stave off an early death, scientists have claimed.
Those few, precious seconds of exercise could cut your risk of dying by a third, the study published in the Clinical Journal of the American Society of Nephrology found.
“To see that light activity had an association with lower mortality is intriguing,” lead scientist Professor Srinivasan Beddhu from the University of Utah said in a statement.

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