Courtney Southwick is a writer focusing on health, nutrition, and disease. She has been blogging for the past two years at CourtneySouthwick.com. She writes blogs and articles for online publications ...

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 ...

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 ...

Hamstring injuries (HSIs) are the most common athletic injury in running and pivoting sports, but despite large amounts of research, injury rates have not declined in the last 2 decades. HSI often ...