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The More You Know
Are You Well Informed?
A new study indicates that gray hair can be a protective mechanism against:
Answer: Cancer. A new animal study suggests gray hair may be a visible sign of the body activating an anti-cancer defense. When pigment-producing stem cells in hair follicles experience DNA damage, they can enter a protective shutdown that stops cell division — reducing cancer risk but also halting pigment production, leading to gray hair.
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