But the findings don't outweigh the numerous health benefits of exercise, emphasize the researchers.

The coronary artery calcium score, or CAC score for short, is used to guide treatment to ward off a heart attack or stroke. Statins are indicated for most people with a CAC score of 100 or above.

Regular physical activity is associated with a dose-dependent reduction in the risk of obesity, diabetes, heart attack/stroke, and death, among other things.

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