There was an article on this that was posted to HN last year: https://news.ycomb... | Hacker News

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goda90 on March 11, 2019 | parent | context | favorite | on: Melatonin's Effect on Skin and Hair

There was an article on this that was posted to HN last year: https://news.ycombinator.com/item?id=17632668

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