Harvard Women's Health Watch

Want better exercise results in less time? Try interval training to boost your workout

Alternating between high- and low-intensity exercise may spur faster fitness gains. Spend less time exercising and burn more calories: sounds too good to be true, right? But it may just be possible with interval training, a type of workout that uses short bursts of strenuous activity to ramp up your heart rate and boost your fitness. …

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