#鬍鬚
鬍鬚中鮮為人知的衛生功效和潛在醫學奧秘 - BBC News 中文

髭、髯、鬍鬚——有人喜,有人厭。研究發現,鬍鬚居然可能藏有衛生功效和人類與疾病作鬥爭的秘密武器。

bbc.com/zhongwen/trad/science-

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