Wondering how is this related to vitiligo [a condition in which the pigment is l... | Hacker News

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		benoror on June 24, 2021 \| parent \| context \| favorite \| on: Stress does turn hair gray, and it’s reversible Wondering how is this related to vitiligo [a condition in which the pigment is lost from areas of the skin, causing whitish patches, often with no clear cause.]

koheripbal on June 24, 2021 [–]

That might be related to PABA.... https://en.wikipedia.org/wiki/4-Aminobenzoic_acid, which is also associated with premature grey hair.

Since PABA is produced in the digestive system, it's possible that stress impacts eating/digestion in some negative way?

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