Harvard Heart Letter

Harnessing the power of high-intensity interval training

Harnessing the power of high-intensity interval training Adding short bursts of ramped-up exercise to your workout may be good for your waistline as well as your heart health. For decades, competitive athletes have added brief bouts of strenuous exercise to their workouts to boost their performance. Known as interval training, this practice is now moving into the mainstream, bolstered by emerging evidence of its health benefits for all sorts of people, including those…

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