Scientists uncover link between the nervous system and stem cells that regenerate pigment. Scientists have found evidence to support long-standing anecdotes that stress causes hair graying. Researchers found that in mice, the type of nerve involved in the fight-or-flight response causes permanent damage to the pigment-regenerating stem cells in the hair follicle. The findings advance knowledge of how stress impacts the body, and are a first step toward blocking its negative effects.
The study, published in Nature, advances scientists’ knowledge of how stress can impact the body...
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