The Pentagon on Monday issued a memo directing the U.S. military to evaluate the body fat of troops using a waist-to-height ...

To pass the new standards, a service member’s waist measurement can be only slightly more than half of their height.

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

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When active and athletic girls and women don't eat enough food to meet their body's energy needs, it can disrupt key systems ...

A new wearable technology could change how unborn babies are monitored at home. Ph.D. researcher Yijing Zhang (Department of ...

Weizmann Institute researchers say that progesterone and the stress hormone cortisol drive circadian rhythms; when out of ...

Howler monkeys are relatively small primates known for their incredibly loud, low-frequency roars that sound as if they come from a much larger creature. This is useful in the animal kingdom because ...

Discover why only female Darwin's bark spiders produce the strongest silk, surpassing steel in toughness and strength.

The week ahead begins with Martin Luther King Jr. Day, a moment that invites reflection not only on civil rights, but on how ...

The Pentagon is shifting from height and weight tables and replacing them with a waist-to-height ratio methodology.