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 painted gray hair. These days, that costume is becoming a bit more of a day-to-day reality. At least, the gray hair is. So today, in honor of all you out there flirting with gray hair, whether for a witch costume or just that exciting and terrifying thing called aging, we're digging into why hair turns gray.

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