High-intensity interval training is twice as effective as regular exercise

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"Officials in both the U.S. and the U.K. typically advise people to engage in roughly two-and-a-half hours of moderate exercise a week in order to maintain proper weight and a healthy heart. Such recommendations, however, will do very little to improve fitness ability, strength, or endurance.

Adamson Nicholls, a 36-year-old martial arts enthusiast, explained in an interview that he was able to greatly improve his endurance by undertaking 45-minute interval training workouts once a week for six weeks. If he had been doing regular workouts, it would have taken him roughly three months to achieve the same outcome."