National Geographic
Low-intensity Zone 2 workouts may sound simple, but they can improve metabolic health, help regulate blood sugar, and enhance endurance in the long term.
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How Zone 2 training can help you burn fat and better your health
Rachel Fairbank
03:33
Low-intensity Zone 2 workouts may sound simple, but they can improve metabolic health, help regulate blood sugar, and enhance endurance in the long term.
