· New research suggests red hair has persisted for thousands of years for a reasons. · The red hair gene has been traced back 4,000 years, along with important health-promoting traits. · The ...

Globally, black and brown overwhelmingly dominate the spectrum of human hair colors. All other shades are, by comparison, exceptions. But what is the rarest natural hair color? Let's decipher a story ...

Red hair comes from a pigment switch that doesn't work, and the surprising part is that evolution may never have favored it at all. A biologist explains.

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." · New research suggests red hair has persisted for thousands of years for a reasons. · The red hair gene ...