What makes hair turn gray? "Stuck" stem cells play a role, researchers find - CBS News

* What makes hair turn gray? "Stuck" stem cells play a role, researchers find  CBS News * Researchers may have discovered what causes hair to go gray  TODAY * Scientists May Have Finally Worked Out Why Hair Turns Gray – And Possibly How to Stop It  ScienceAlert * Scientists discover the mechanism behind hair turning grey | WION Originals  WION * Why Do We Go Grey As We Age?  Healthnews.com * View Full Coverage on Google News
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