今年雨水颇丰，连续多日的雨雨雨雨雨让太阳消失了很久，每个人的皮肤似乎都捂白了。
人们可能会想念太阳，却没有人想念黑色素——毕竟，“一白遮三丑”的理念还是深植大多数人心中。
其实，你知道么——很多人唯恐避之不及的黑色素，正代表着人类皮肤与太阳的爱。
参考文献：
[1]Sandra Del Bino, Christine Duval, Franoise Bernerd. Clinical and Biological Characterization of Skin Pigmentation Diversity and Its Consequences on UV Impact. Int J Mol Sci. 2018 Sep 8;19(9):2668.
[2]Nina G Jablonski, George Chaplin. The roles of vitamin D and cutaneous vitamin D production in human evolution and health. Int J Paleopathol. 2018 Dec;23:54-59.
[3]Gertrude-E Costin, Vincent J Hearing. Human skin pigmentation: melanocytes modulate skin color in response to stress. FASEB J. 2007 Apr;21(4):976-94.
[4]Sulekha Kumari, Steven Tien Guan Thng, Navin Kumar Verma, et al. Melanogenesis Inhibitors. Acta Derm Venereol. 2018 Nov 5;98(10):924-931.
[5]Thanigaimalai Pillaiyar, Manoj Manickam, Vigneshwaran Namasivayam. Skin whitening agents: medicinal chemistry perspective of tyrosinase inhibitors.J Enzyme Inhib Med Chem. 2017 Dec;32(1):403-425.
[6]E J Parra;;R A Kittles;;M D Shriver. Implications of correlations between skin color and genetic ancestry for biomedical research. Nature Genetics, 2004, Vol.36 (Suppl 11), pp.S54-S60.
文章来源：科普中国网
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