Stress Really Can Give You Gray Hair

Graying hairs that crop up with age could be more than just nature, they could be signs of stress, according to a new report in the June 12 issue of Cell.  The researchers say that the kind of "genotoxic stress" that does damage to DNA depletes the melanocyte stem cells (MSCs) within hair follicles that are responsible for making those pigment-producing cells. Rather than dying off, when the going gets tough, those precious stem cells differentiate, forming fully mature melanocytes themselves. Anything that can limit the stress might stop the graying from happening, the researchers said.  read more

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