For bodybuilders and fitness enthusiasts, changing body composition often reflects hard work and discipline—but knowing body composition is useful for anyone, and for more than just bragging rights.

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Thanks to the ever-improving world of fitness trackers and apps, you've never had more access to personal health data. But which of the dizzying number of markers and metrics should you really be ...

A recent study from Australia suggests that high intensity interval training may be optimal for body composition in older ...

People come to running with many different goals: to compete, to hang out with friends, to get healthier, to “lean out.” This sport can help you achieve many of these things. However, according to a ...