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Matti Narkia

Seasonality of UV-radiation and vitamin D status at 69 degrees north. - Photochem Photo... - 1 views

www.rsc.org/...article.asp

2007 August study research eepidemiological vitamin_D 25ohd high latitude high_latitude season north UV-radiation UV radiation UVB seasonality seasonal variation nutrition dietary intake Engelsen medline

shared by Matti Narkia on 11 Dec 09 - Cached
  • Matti Narkia on 11 Dec 09
     
    Seasonality of UV-radiation and vitamin D status at 69 degrees north. Brustad M, Edvardsen K, Wilsgaard T, Engelsen O, Aksnes L, Lund E. Photochem Photobiol Sci. 2007 Aug;6(8):903-8. Epub 2007 Jun 27. PMID: 17668121 The generally high dietary intakes of vitamin D, especially in winter, mask largely the effect of seasonal variation in UV-exposure, causing an atypical seasonal variation in vitamin D status. The UV-hour variable significantly predicted 25(OH)D levels in blood when adjusted for intakes and artificial UV-radiation exposure and sun holidays abroad.
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