Exercise is great for our hearts, minds, and longevity. But you don’t need to be a full-blown gym rat to see the benefits: not only is brisk walking a pretty decent workout, but even a couple of extra minutes of activity a day can help us live longer.
Experts think that 15 minutes of physical activity a day is the “bare minimum” needed to see health-related benefits of exercise.
Here’s what the research says can happen to your body if you choose to spend that quarter of an hour run...


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