Here’s what to know about body composition numbers and what these metrics mean for your health and performance.

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Share on Pinterest Compared to BMI scores, body-fat percentages were a stronger predictor of the 15-year mortality risk of young adults, a new study found. Thana Prasongsin/Getty Images A new study ...

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There are various types of body composition tests (more on these below). Still, each one measures the percentages of fat and fat-free mass (muscle and bone) in the body. Knowing these percentages ...