Do red-haired people really experience pain differently and need more anesthesia? Read on to learn what the latest research ...

Dear Doctor K: I am a 43-year-old woman whose hair has gone quite gray in the past year. I'm wondering if stress could have caused it. If not, what else might be the culprit? Dear Reader: Each hair in ...

When people talk about hair loss, they often mention stress, diet, or lifestyle. These factors matter, but genetics remain the strongest influence. The way your hair thins, the speed of loss, and the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A new type of cat coat color has officially been discovered. Named salmiak, or ‘salty liquorice,’ the ...