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Matti Narkia

Benefits of Vitamin D Supplementation - Journal of American Physicians and Surgeons Vol... - 1 views

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    Benefits of Vitamin D Supplementation
    Joel M. Kauffman, Ph.D.
    Journal of American Physicians and Surgeons
    Volume 14 Number 2 - Summer 2009

    Clinical trials show that vitamin D supplementation at higher
    levels than previously recommended is beneficial for many
    conditions. It decreases the frequency of falls and fractures, helps
    prevent cardiovascular disease, and reduces symptoms of colds or
    influenza. Benefits are also seen in diabetes mellitus, multiple
    sclerosis, Crohn disease, pain, depression, and possibly autism.
    Sunlight does not cause an overdose of vitamin D production,
    and toxicity from supplementation is rare. Dose recommendations
    are increasing, but appear to be lagging the favorable trial results. A
    number of common drugs deplete vitamin D levels, and others may
    limit its biosynthesis from sunlight.
    People with adequate levels from sun exposure will not benefit
    from supplementation. While dietary intake is helpful,
    supplementation is better able to raise serum 25-hydroxyvitamin D ,
    the major circulating metabolite, to the level now thought adequate,
    30-50 ng/mL.
    Where there is inadequate daily sun exposure, oral doses of
    1,000-2,000 IU/d are now considered routine, with much higher
    doses (up to 50,000 IU) for rapid repletion now considered safe.
Matti Narkia

Are sunlight deprivation and influenza epidemics associated with the onset of acute leu... - 0 views

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    Are sunlight deprivation and influenza epidemics associated with the onset of acute leukemia?
    Timonen T, Näyhä S, Koskela T, Pukkala E.
    Haematologica. 2007 Nov;92(11):1553-6.
    PMID: 18024404
    doi:10.3324/haematol.10799

    Month of diagnosis of 7,423 cases of acute leukemia (AL) in Finland during 1964-2003 were linked with data on influenza and solar radiation. Acute myeloblastic leukemia (AML) showed the highest risk in the dark season. During the light season, the incidence decreased by 58% (95% confidence interval, 16-79%) per 1,000 kJ/m2/d increase of solar radiation. Independent of solar radiation, AML increased by 9% (95% confidence interval, 0-19%) during influenza epidemics. Reoccurring at the same time annually, darkness-related vitamin D deficiency and influenza could cause successive and co-operative mutations leading to AL with a short latency.
Matti Narkia

Epidemic influenza and vitamin D. - Epidemiol Infect. 2006 Dec;134(6):1129-40. (full t... - 0 views

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    Epidemic influenza and vitamin D.
    Cannell JJ, Vieth R, Umhau JC, Holick MF, Grant WB, Madronich S, Garland CF, Giovannucci E.
    Epidemiol Infect. 2006 Dec;134(6):1129-40. Epub 2006 Sep 7. Review.
    PMID: 16959053
Matti Narkia

On the epidemiology of influenza - Virology Journal | Full text - 0 views

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    On the epidemiology of influenza.
    Cannell JJ, Zasloff M, Garland CF, Scragg R, Giovannucci E.
    Virol J. 2008 Feb 25;5:29. Review.
    PMID: 18298852
    doi:10.1186/1743-422X-5-29
Matti Narkia

Epidemic influenza and vitamin D - CJO - Abstract - 0 views

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    Cannell JJ, Vieth R, Umhau JC, Holick MF, Grant WB, Madronich S, Garland CF, Giovannucci E. Epidemic influenza and vitamin D.Epidemiol Infect. 2006 Dec;134(6):1129-40. Epub 2006 Sep 7.PMID: 16959053
    doi:10.1017/S0950268806007175
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