Corpus ID: 13722418

2 Photobiology of Vitamin D

  title={2 Photobiology of Vitamin D},
  author={T. Chen and Zhiren Lu and M. Holick},
  • T. Chen, Zhiren Lu, M. Holick
  • Published 2016
  • The major function of vitamin D (either vitamin D2 or D3) is to maintain healthy bone. Most humans obtain their vitamin D requirement through casual exposure of the skin to solar ultraviolet B and from dietary intake. The cutaneous synthesis of vitamin D is a function of 7-dehydrocholesterol concentration in epidermis, melanin pigmentation, and the solar zenith angle which depends on latitude, season, and time of day. Our recent study also indicates that altitude may influence the production of… CONTINUE READING


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