Spotting gray hairs can feel like a particularly harsh reminder that, yes, we are all getting older. Simply put, going gray is inevitable for most people, whether your first silvery strand appears ...

Patrick Dempsey and Ellen Pompeo in Season 1 of Grey's Anatomy. (Craig Sjodin/Disney General Entertainment Content via Getty Images) ...

Actually, researchers are zeroing in on a solution. The result could mean slowing, and one day even reversing, gray hair. Here’s the idea behind all the geeky science—and what to do until it ...