Posted BY: | NwoReport
Legend has it that Marie Antoinette’s hair turned gray overnight just before her beheading in 1791. Although the tale is untrue — hair that has already grown out of the follicle doesn’t change color — there is evidence that psychological stress is associated with graying hair in people. And a recent study conducted by researchers at Columbia University quantified the association and went one step further, proving that hair color can be restored when stress is eliminated.
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“Understanding the mechanisms that allow ‘old’ gray hairs to return to their ‘young’ pigmented states could yield new clues about the malleability of human aging in general and how it is influenced by stress,” said the study’s senior author Martin Picard, associate professor of behavioral medicine at Columbia University Vagelos College of Physicians and Surgeons. “Our data adds to a growing body of evidence demonstrating that human aging is not a linear, fixed biological process but may, at least in part, be halted or temporarily reversed.”