Evolution has left humans with many vestigial traits—remnants of once-useful biological features that serve little or no ...

Eliene Augenbraun, D.O., Ph.D., is a lifelong science and health journalist whose mission is to make sense of complex concepts. She led ScienCentral, a broadcast television newsroom that supplied ...

Chronic otitis media (chronic ear infection) occurs when fluid behind your eardrum becomes infected and does not go away with antibiotics. Unlike swimmer’s ear that affects the external ear canal, a ...