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Recommended summer sunlight exposure amounts fail to produce sufficient vitamin D status in UK adults of South Asian origin
Author(s) -
Mark D. Farrar,
Richard Kift,
Sarah Felton,
Jacqueline Berry,
Marie Durkin,
D Allan,
Andy Vail,
Ann R. Webb,
Lesley E. Rhodes
Publication year - 2011
Publication title -
american journal of clinical nutrition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.608
H-Index - 336
eISSN - 1938-3207
pISSN - 0002-9165
DOI - 10.3945/ajcn.111.019976
Subject(s) - sunlight , vitamin , vitamin d and neurology , sun exposure , medicine , environmental health , food science , chemistry , endocrinology , dermatology , physics , astronomy
The cutaneous synthesis of vitamin D is dependent on UVB from sunlight, but melanin reduces the penetration of UVB and thus contributes to vitamin D insufficiency in individuals with darker skin. The national guidance provided on amounts of sunlight exposure in the United Kingdom is for the light-skinned population, and in the absence of dedicated information, darker-skinned people may attempt to follow this guidance.

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