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Matti Narkia

Vitamin D and skin physiology: a D-lightful story - JBMR Online - Journal of Bone and M... - 0 views

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    Vitamin D and skin physiology: a D-lightful story.
    Holick MF, Chen TC, Lu Z, Sauter E.
    J Bone Miner Res. 2007 Dec;22 Suppl 2:V28-33.
    PMID: 18290718
    doi: 10.1359/jbmr.07s211

    Very few foods naturally contain vitamin D, and those that do have a very variable vitamin D content. Recently it was observed that wild caught salmon had between 75% and 90% more vitamin D(3) compared with farmed salmon. The associations regarding increased risk of common deadly cancers, autoimmune diseases, infectious diseases, and cardiovascular disease with living at higher latitudes and being prone to vitamin D deficiency should alert all health care professionals about the importance of vitamin D for overall health and well being.

    Humans have depended on sunlight for their vitamin D requirement. The impact of season, time of day, and latitude on vitamin D synthesis is well documented.(2,3) We now report that altitude also has a dramatic influence on vitamin D3 production and that living at altitudes above 3500 m permits previtamin D3 production at a time when very little is produced at latitudes below 3400 m. It was surprising that, at 27° N in Agra (169 M), little previtamin D3 production was observed. However, there was significant air pollution that caused a haze over the city. It is likely the ozone and other UVB-absorbing pollutants in the air prevented the solar UVB photons from reaching the earth's surface to produce previtamin D3.
Matti Narkia

Vitamin D and skin physiology: a D-lightful story. - JBMR Online - Journal of Bone and... - 0 views

  •  
    Vitamin D and skin physiology: a D-lightful story.\nHolick MF, Chen TC, Lu Z, Sauter E.\nJ Bone Miner Res. 2007 Dec;22 Suppl 2:V28-33.\nPMID: 18290718 \ndoi: 10.1359/jbmr.07s211\n
Matti Narkia

Factors that influence the cutaneous synthesis and dietary sources of vitamin D. - Scie... - 0 views

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    Factors that influence the cutaneous synthesis and dietary sources of vitamin D.\nChen TC, Chimeh F, Lu Z, Mathieu J, Person KS, Zhang A, Kohn N, Martinello S, Berkowitz R, Holick MF.\nArch Biochem Biophys. 2007 Apr 15;460(2):213-7. Epub 2007 Jan 8.\nPMID: 17254541\ndoi:10.1016/j.abb.2006.12.017\n
Matti Narkia

An evaluation of the vitamin D3 content in fish: Is the vitamin D content adequate to s... - 0 views

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    An evaluation of the vitamin D3 content in fish: Is the vitamin D content adequate to satisfy the dietary requirement for vitamin D?\nLu Z, Chen TC, Zhang A, Persons KS, Kohn N, Berkowitz R, Martinello S, Holick MF.\nJ Steroid Biochem Mol Biol. 2007 Mar;103(3-5):642-4. Epub 2007 Jan 30.\nPMID: 17267210 \ndoi:10.1016/j.jsbmb.2006.12.010 \n
Matti Narkia

Factors that influence the cutaneous synthesis and dietary sources of vitamin D - Scien... - 0 views

  •  
    Chen TC, Chimeh F, Lu Z, Mathieu J, Person KS, Zhang A, Kohn N, Martinello S, Berkowitz R, Holick MF.
    Factors that influence the cutaneous synthesis and dietary sources of vitamin D.
    Arch Biochem Biophys. 2007 Apr 15;460(2):213-7. Epub 2007 Jan 8.
    PMI
Matti Narkia

An evaluation of the vitamin D3 content in fish: Is the vitamin D content adequate to s... - 0 views

  •  
    Lu Z, Chen TC, Zhang A, Persons KS, Kohn N, Berkowitz R, Martinello S, Holick MF.
    An evaluation of the vitamin D3 content in fish: Is the vitamin D content adequate to satisfy the dietary requirement for vitamin D?
    J Steroid Biochem Mol Biol. 2007 Mar;
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