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Matti Narkia

A randomised comparison of increase in serum 25-hydroxyvitamin D concentratio... - 0 views

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    A randomised comparison of increase in serum 25-hydroxyvitamin D concentration after 4 weeks of daily oral intake of 10 microg cholecalciferol from multivitamin tablets or fish oil capsules in healthy young adults.
    Holvik K, Madar AA, Meyer HE, Lofthus CM, Stene LC.
    Br J Nutr. 2007 Sep;98(3):620-5. Epub 2007 Apr 24.
    PMID: 17456248

    We conclude that fish oil capsules and multivitamin tablets containing 10 microg cholecalciferol administered over a 4-week period produced a similar mean increase in s-25(OH)D concentration.
Matti Narkia

Fish, Vitamin D, and Flavonoids in Relation to Renal Cell Cancer Among Smokers -- Wilso... - 0 views

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    Fish, vitamin D, and flavonoids in relation to renal cell cancer among smokers.
    Wilson RT, Wang J, Chinchilli V, Richie JP, Virtamo J, Moore LE, Albanes D.
    Am J Epidemiol. 2009 Sep 15;170(6):717-29. Epub 2009 Aug 3.
    PMID: 19651663
    doi:10.1093/aje/kwp178

    These results suggest that the flavonoid quercetin may prevent renal cell cancer among male smokers. The possible risk associated with fish intake warrants further investigation before conclusions may be drawn.
Matti Narkia

Vitamin D content in Alaskan Arctic zooplankton, fishes, and marine mammals - Wiley Int... - 0 views

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    Vitamin D content in Alaskan Arctic zooplankton, fishes, and marine mammals.
    David E. Kenny 1, Todd M. O'Hara, Tai C. Chen, Zhiren Lu, Xiao Tian, Michael F. Holick.
    Zoo Biology
    Volume 23 Issue 1, Pages 33 - 43
    Published Online: 13 Feb 2004
    Doi: 10.1002/zoo.10104
Matti Narkia

Food chain as origin of vitamin D in fish - ScienceDirect - Comparative Biochemistry an... - 0 views

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    Food chain as origin of vitamin D in fish
    D. Sunita Rao and N. Raghuramulu.
    Comparative Biochemistry and Physiology Part A: Physiology
    Volume 114, Issue 1, May 1996, Pages 15-19
    doi:10.1016/0300-9629(95)02024-1

    Plankton, the chief food source of fish, was assessed as the possible dietary origin of vitamin D in fish. The presence of vitamin D compounds were examined in fresh water phytoplankton and zooplankton employing a series of chromatographic procedures. Abundant amounts of provitamins D and vitamins D (D2 and D3) were found in the fresh water plankton. The high amount of vitamin D observed may be due to exposure of plankton to sunlight because the plankton were caught during the summer month. Thus, plankton may be an important contributor to vitamin D in fish.
Matti Narkia

Vitamin D and multiple sclerosis. [Proc Soc Exp Biol Med. 1997] - PubMed Result - 0 views

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    Vitamin D and multiple sclerosis.
    Hayes CE, Cantorna MT, DeLuca HF.
    Proc Soc Exp Biol Med. 1997 Oct;216(1):21-7. Review.
    PMID: 9316607
Matti Narkia

An ecologic study of dietary and solar ultraviolet-B links to breast carcinoma mortalit... - 0 views

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    An ecologic study of dietary and solar ultraviolet-B links to breast carcinoma mortality rates.
    Grant WB.
    Cancer. 2002 Jan 1;94(1):272-81.
    PMID: 11815987

    CONCLUSIONS
    It is hypothesized that animal products are associated with risk for breast carcinoma because they are associated with greater amounts of insulin-like growth factor-1and lifetime doses of estrogen. Vegetable products contain several risk reduction components including antioxidants and phytoestrogens. The association with latitude is very likely because of solar UV-B radiation and vitamin D. Alcohol modulates estrogen's effects on breasts. Fish intake is associated with risk reduction through vitamin D and n-3 oils. These results are consistent with those of many case-control and cohort studies but should be assessed in well designed cohort studies.
Matti Narkia

Vitamin D in an ecological context. [Int J Circumpolar Health. 2000] - PubMed Result - 0 views

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    Vitamin D in an ecological context.
    Björn LO, Wang T.
    Int J Circumpolar Health. 2000 Jan;59(1):26-32.
    PMID: 10850004
Matti Narkia

Factors that Influence the Cutaneous Synthesis and Dietary Sources of Vitamin D - 0 views

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

    Vitamin D is rare in food. Among the vitamin D-rich food, oily fish are considered to be one of the best sources. Therefore, we analyzed the vitamin D content in several commonly consumed oily and non-oily fish. The data showed that farmed salmon had a mean content of vitamin D that was ~25% of the mean content found in wild caught salmon from Alaska, and that vitamin D2 was found in farmed salmon, but not in wild caught salmon. The results provide useful global guidelines for obtaining sufficient vitamin D3 by cutaneous synthesis and from dietary intake to prevent vitamin D deficiency and its health consequences.ensuing illness, especially, bone fractures in the elderly.
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?
    Lu Z, Chen TC, Zhang A, Persons KS, Kohn N, Berkowitz R, Martinello S, Holick MF.
    J Steroid Biochem Mol Biol. 2007 Mar;103(3-5):642-4. Epub 2007 Jan 30.
    PMID: 17267210
    doi: 10.1016/j.jsbmb.2006.12.010

    Surprisingly, farmed salmon had approximately 25% of the vitamin D content as wild salmon had. The vitamin D content in fish varied widely even within species. These data suggest that the tables that list the vitamin D content are out-of-date and need to be re-evaluated.

    Little is known about the effect of cooking on the vitamin D content in fish. When farm salmon was baked, almost all of the vitamin D content, i.e. 240 IU of vitamin D3 was recovered from 3.5 oz. of salmon. The initial concentration in the uncooked salmon was 245 IU of vitamin D3. However, when the salmon was fried in vegetable oil, approximately 50% (123 IU of vitamin D3 was recovered.)
    We also evaluated the vitamin D content in mackerel which is traditionally considered to be an excellent source of vitamin D3 because of its oily content. However, in the one sample that we tested, we only observed 24 IU of vitamin D3 in 3.5 oz.
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

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    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

Autism and vitamin D - Med Hypotheses. 2008 - 0 views

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    Autism and vitamin D.
    Cannell JJ.
    Med Hypotheses. 2008;70(4):750-9. Epub 2007 Oct 24.
    PMID: 17920208
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

The Heart Scan Blog: What your doctor doesn't know about heart disease - 0 views

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    What causes coronary heart disease or coronary atherosclerotic plaque, this thing that we track with heart scans?

    Well, here are a few little-publicized facts about heart disease that you are unlikely to hear from your When's-the-next-stent? cardiologist or the What is there besides statins? primary care doctor.

    (Since everybody knows that smoking is a modifiable risk for heart disease that can be readily identified, let's focus on the blood tests that reveal heart disease causes.)
Matti Narkia

Ten Surprising Nutrition Facts - drweil.com - 0 views

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    The American diet circa 2007 is a disaster - but positive change has begun. Those were the twin themes of the "Fourth Annual Nutrition and Health Conference" held in San Diego, Calif., May 14-16, 2007. The conference was sponsored by the University of Arizona's College of Medicine in conjunction with the Program in Integrative Medicine (PIM); PIM was founded and is co-directed by Dr. Weil. \n\nThe three-day event brought together leading nutrition researchers from around the world, bearing plenty of both bad and good news. Some highlights:
Matti Narkia

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

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    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

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    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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