Whether we like it or not, as we age, our hair begins to turn white or gray. But more often than not, it doesn’t all turn ...

Why does hair turn gray? Is it stress? Age? Genetics? As a kid, host Aaron Scott would dress up for Halloween as an older version of himself — complete with a cane, a set of polyester britches and ...

Experts have been pondering the question for years. Here’s what we know (so far). Credit...Joyce Lee for The New York Times Supported by By Sarah Klein Q: I went through a tough time two years ago, ...

It turns out stress does turn hair gray, and now researchers know how. Stress triggers the body’s fight-or-flight response, which in turn causes pigment-producing cells that give hair its color to go ...

Experiments in mice confirm that stress leads to gray hair. The fight-or-flight hormone noradrenaline damages the stem cells responsible for producing pigment, leading to the production of gray, ...

Q. My beautiful silver hair has started to yellow. Why does this happen, and what can I do to prevent it? I am 56. A. I've seen many theories as to what causes silver or white hair to turn yellow. It ...