Inside Your Body After 3 Minutes of Exercise

A study at Rockefeller University in the United States demonstrated that brief high-intensity workouts lasting only three minutes, involving six rounds of 30-second sprints on a stationary bike, induce widespread molecular changes in the blood. These changes occur faster than the response to a continuous moderate workout lasting 90 minutes. The molecular shifts involve proteins related to blood vessel growth and tissue remodeling, with results that include over 200 metabolic products. These changes appear quickly after exercise and produce similar molecular responses after eight weeks of training. Although the long-term health benefits are not yet confirmed, the findings suggest that short, intense efforts can stimulate important biological responses. However, this does not replace the need for regular physical activity.

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