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That's why stress makes you gray hair

It is NOT the fault of neither the immune system nor of the hormones. If the hair becomes grey due to the stress of the culprit should be sought in the nervous

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That's why stress makes you gray hair
It is NOT the fault of neither the immune system nor of the hormones. If the hair becomes grey due to the stress of the culprit should be sought in the nervous system, capable of damaging the cells that produce the pigments that color the hair. This at least is what happens in mice, as suggested by a study coming from Harvard, and published in the journal Nature. Gray hair and stress, only anecdotes? "Everyone has a story to tell on how stress affects the body in particular the skin and hair – the only tissues visible from the outside," says the researcher, Ya-Chieh Hsu from Harvard, to head of the studio. "Our goal was to understand if this relationship were true, and then, as the stress changes with the different fabrics. And do it on the hair, for the ultimate part of the body most linked to, at least at the level of the anecdotal, to the effects of stress, it would have been easy enough, explained Hsu, from the moment that we speak of easily accessible areas. The role of the nervous system, once it is known that some mice are subjected to conditions of physical or psychological stress, the two began fading to grey, and that the phenomenon, as expected, was connected to the loss of stem cells of melanocytes (cells that color, with their pigments, hair), scientists have begun to search for mechanisms at the basis of all of this. And are thus processed step by step. Cortisol, the hormone related to stress, did not seem to be involved, since that mice who were without it were still going, and the same way happened in the absence of cells of the immune system.
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