Exercise has many healthy benefits, but it only plays a small role in weight loss. Working out makes up about 5% of the energy we burn in a day, according to research. Keeping our bodies running uses ...

You might know your weight, your step count, or even how much you can lift at the gym. But do you know how fit your heart and lungs really are? Cardio fitness, or the cardiovascular endurance, ...

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Randal Claytor has received funding in the past from NIH, AHA, ADA. When you enter the gym, which way should you head first? Toward the treadmills and spin studio to get your sweat on with a cardio ...