Gray hair often feels like a simple sign of passing time. It is easy to see it as a cosmetic change and nothing more. Yet new evidence links hair pigmentation to deep cellular decisions that also ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." To conduct this research, scientists examined the melanocyte stem cells of rodents. These special cells ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Developing gray hair is a normal part of getting older. But not everyone likes how it looks on them.

Add Yahoo as a preferred source to see more of our stories on Google. Woman with half dyed and half gray hair. (Alina Humeniuk via Getty Images) Whether you’re embracing new silver growths or ...

While many people go to great lengths to prevent or mask their silver strands, a new study reveals that going gray may play an essential role in fighting off a deadly disease. Researchers claim that ...

For generations, gray hair has been treated as a cosmetic problem to hide, a visible marker of age and stress. Now a wave of research is turning that assumption on its head, suggesting that the loss ...

Genotoxic insults drive divergent outcomes in melanocyte stem cells (McSCs). Under cytotoxic genotoxin exposure, such as X-ray irradiation, McSC self-renewal is impaired, leading to depletion and hair ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If only our pesky stem cells didn’t get stuck in place after a while, maybe we wouldn’t have gray hair.

The appearance of gray strands in the mirror often signals the passage of time, a visual reminder of aging that many accept as inevitable. However, recent scientific discoveries have revealed a more ...

When Ya-Chieh Hsu, professor of stem cell and regenerative biology at Harvard University and the Harvard Stem Cell Institute, wanted to figure out exactly what makes hair turn grey, she started with ...