There’s a surprising link between grey hair and cancer

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Gray hair may be a sign of a protective process in the body, not just a sign of aging. A new study in mice shows that damaged stem cells that produce hair pigment can take two different paths – disappear and lead to graying, or continue to divide and create the conditions for melanoma. At the center of the work are melanocyte stem cells. They are found in hair follicles and serve as a reserve for the formation of melanocytes – the cells that giv…

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Graying may, in some cases, be a "side effect" of a natural process by which the body removes cells with damaged DNA.A scientific study has uncovered an unexpected link between gray hair and the mechanisms the body uses to limit the risk of cancer. The findings suggest that graying may, in some cases, be a "side effect" of a natural process by which the body removes cells with damaged DNA.