Evolution has left humans with many vestigial traits—remnants of once-useful biological features that serve little or no modern purpose. One such example is the muscles around our ears, which in many ...

Postural adjustments that reduce ankle leverage in kangaroos enhance tendon stress and elastic energy storage at higher speeds, providing energetic efficiency during hopping but potentially ...

Jennifer M. Edwards is a journalist and author and certified personal trainer. She spent several years as the lifestyle editor for several daily newspapers in Texas, New York, and Florida. Her work ...

Atherosclerosis: The fatty buildup of plaque in the artery walls, that causes the arteries to harden and narrow until blood cannot pass properly. Enhancing leg circulation primarily hinges on engaging ...