We always had a hunch about it. And now scientists from Harvard have proved that stress can actually turn your hair white. Hair follicles contain pigment cells that produce melanin, which gives your tresses their color. When your body stops generating melanin, hair presents itself as gray, white, or silver. While premature graying problem is largely genetic, a group of Harvard researchers have discovered that stress can activate fight-or-flight neural pathways, which in turn causes permanent damage to pigment-regenerating stem[…]
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