HIIT or LISS: What’s Better for Your Heart?

Boy, do I love me some cardio. And you should to. Think about it: of all the muscles in your body, none is as important as your heart. It’s the only muscle that never gets to stop contracting … well, at least not if you wanna stay alive. It’s a pretty well-known fact that heart disease is the leading cause of death in this country. According to the surgeon general you should be getting 150 minutes per week of moderate exercise (like brisk walking or bicycling) or 75 minutes per week of more vigorous exercise (like running or group fitness classes) or some equivalent mix of both. …

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