High-intensity interval training is one of the best ways to pack a lot of exercise into a short period of time. HIIT workouts are so efficient because they alternate short bursts of very intense ...
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What Is HIIT—and How Can It Boost Your Workouts?
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High intensity interval training could be the secret to staying young. — -- Exercising by doing interval training, not weight lifting, could be the secret to staying young, according to a new ...
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