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Matti Narkia

Cod liver oil, vitamin A toxicity, frequent respiratory infections, and the vitamin D d... - 0 views

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    Cod liver oil, vitamin A toxicity, frequent respiratory infections, and the vitamin D deficiency epidemic.
    Cannell JJ, Vieth R, Willett W, Zasloff M, Hathcock JN, White JH, Tanumihardjo SA, Larson-Meyer DE, Bischoff-Ferrari HA, Lamberg-Allardt CJ, Lappe JM, Norman AW, Zittermann A, Whiting SJ, Grant WB, Hollis BW, Giovannucci E.
    Ann Otol Rhinol Laryngol. 2008 Nov;117(11):864-70. Review.
    PMID: 19102134

    Until we have better information on doses of vitamin D that will reliably provide adequate blood levels of
    25(OH)D without toxicity, treatment of vitamin D deficiency in otherwise healthy children should be individualized
    according to the numerous factors that affect 25(OH)D levels, such as body weight, percent body fat,
    skin melanin, latitude, season of the year, and sun exposure.2 The doses of sunshine or oral vitamin D3 used
    in healthy children should be designed to maintain 25(OH)D levels above 50 ng/mL. As a rule, in the absence
    of significant sun exposure, we believe that most healthy children need about 1,000 IU of vitamin D3 daily
    per 11 kg (25 lb) of body weight to obtain levels greater than 50 ng/mL. Some will need more, and others less.
    In our opinion, children with chronic illnesses such as autism, diabetes, and/or frequent infections should be
    supplemented with higher doses of sunshine or vitamin D3, doses adequate to maintain their 25(OH)D levels
    in the mid-normal of the reference range (65 ng/mL) - and should be so supplemented year round. Otolaryngologists
    treating children are in a good position to both diagnose and treat vitamin D deficiency.
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