A common Chinese superstition claims that plucking a white hair will cause three more to grow in its place. However, medical experts state this is untrue, explaining that hair color is determined by melanin production in follicles. Plucking a single hair typically results in only one new hair growing back, and since melanin production is unaffected, the new hair will likely also be white. AI
排序理由 The cluster discusses a superstition and its debunking by experts, which does not constitute significant news.
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