Do you know about - The health Benefits of Vitamin D
Jobs In San Diego! Again, for I know. Ready to share new things that are useful. You and your friends.John Cannell, Md, menagerial Director of The Vitamin D Council, reports on the Vitamin D consulation in Victoria.
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The Vitamin D consulation just accomplished in Victoria was nothing short of spectacular. On the bus into Victoria, I met a representative from the National Cancer institute whose job was simple: her bosses at the Nih wanted to know if they should fund the flood of grant requests about vitamin D. Given the capability of the papers presented, I can't dream her rejoinder was anything but yes.
Dr. Tony Norman and Dr. Roger Bouillon, the consulation organizers, had to select from over 300 submissions from scientists nearby the world. The venerable Dr. Bouillon did not try to back off his modern widely quoted warning that more than a billion habitancy in the world are vitamin D deficient. Both men did a great job balancing presentations on vitamin D nutrition, vitamin D basic science, and the patentable vitamin D analogs sought by drug companies. Of course, I idea more time should have been devoted to vitamin D nourishment but Dr. Norman pointed out that more time was devoted to vitamin D nourishment than ever before. Like Dr. Norman, I am unable to annotation on all the presentations that merited it, or this newsletter would be 50 pages long.
Dr. Barbara Gilchrest, who fired Dr. Michael Holick from one of his professorships several years ago after Holick wrote a book saying God knew what she was doing when she created sunlight, gave the Plenary Lecture. Wisely, Dr. Gilchrest overwhelmed the audience with visible pictures of invasive skin cancer to reserve her consulation that sunlight is evil. Of course, it's harder to show pictures of invasive colon cancer, breast cancer, prostate cancer, and the 15 other internal cancers caused by sunlight deprivation.
However, Dr. Gilchrest is changing her mind. George Bernard Shaw once said, "Progress is impossible without change; and those who cannot turn their minds, cannot turn anything." Dr. Gilchrest is changing her mind - not about the evils of sunlight - about vitamin D. She is in the process of admitting that this miraculous substance has benefits beyond bone.
Two years ago, she dismissed any concerns about vitamin D with a "take a multivitamin if you are concerned." Now she believes the Food and nourishment Board needs to reconsider raising both the enough Intake recommendations (how much one should take every day) as well as the Upper Level (the amount one can take on your own, without being under a doctor's care, and without fear of toxicity). My compliments to Dr. Gilchrest.
Dr. Heike Bischoff-Ferrari did a extraordinary job, not just presenting her data that optimal vitamin D blood levels need to be at least 40 ng/ml, but for presenting Dr. Ed Giovannucci's data (who had to cancel for personal reasons). Dr. Bischoff-Ferrari reminded us that periodontal disease in inversely related to vitamin D blood levels. She also reminded us that there is strong scientific evidence that vitamin D improves neuromuscular execution in older people.
Dr. Bischoff-Ferrari then presented Dr. Giovannucci's data that one reduces your risk of all cancers about 17% for every 10 ng/ml of vitamin D in your blood. For cancer of the digestive system, the risk reduction is 43%. His data indicates all Americans should be taking about 2,000 Iu per day and some Americans need even more to minimize cancer risk. No one know where the curve flattens out; that is, no one knows how much further cancer reduction one gets from 20, 30, or 40 ng/ml incremental increases in blood levels.
Dr. Robert Heaney presented by video hookup and made his quiet but suited case that about 75% of American women are vitamin D deficient (levels less than 35 ng/ml), that about 3,000 units a day are needed to bring 95 % of the habitancy out of the deficient range, and that 10,000 units a day is the safe upper limit. (This does not mean you should take 10,000 units per day, it means scientists should be able to study 10,000 unit daily doses without the bureaucratic strangeness they now encounter).
Dr. Kimball, working with Dr. Reinhold Vieth, presented data that children (age 10 -17) only increased their midpoint blood level by 11 ng/ml when given 14,000 units per week for eight weeks and that such dosing was safe.
Dr. Hollis presented evidence in Victoria that levels of at least 40 ng/ml are required to normalize the enzyme kinetics of vitamin D. [When I say vitamin D blood levels, I'm referring to 25(Oh)D levels; Bruce is learning actual vitamin D levels (cholecalciferol) as well as 25(Oh)D levels]. Dr. Hollis continues giving pregnant and lactating South Carolina women about 4,000 to 6,000 units a day in an ongoing study. We predict easier pregnancies and less depression in the moms - lower prenatal and perinatal mortality, fewer birth defects, fewer infections, less diabetes, less psychiatric illness, less asthma, stronger bones, and higher Iqs in the children.
Dr. Hathcock did a great job reviewing the evidence that doses below 10,000 units per day have never been shown to be toxic and that 10,000, not 2,000, units per day should be the Upper Limit. He, like so many others, urged the Food and nourishment Board to revise their outdated recommendations. Moreover, I understand from knowledgeable habitancy at the consulation that the Food and nourishment Board is planning to do just that!
Dr. Dixon presented inspiring evidence that high vitamin D blood levels prevent sunburn! Of course, it makes sense. When vitamin D levels are low, the skin stays as white as it can to make as much vitamin D as it can, just in case you ignore Dr. Gilchrest's advice. When vitamin D levels are high, the skin rapidly tans to prevent inordinate vitamin D skin production. A amount of habitancy have emailed me that observation: now that their levels are high, they tan very quickly. I've noticed the same thing.
Dr. Marie Demay presented her basic science study that vitamin D is complex in hair follicles. I loved her talk although she's a scientist and I'm a psychiatrist so I didn't understand much of what she said. However, I've always idea that vitamin D will actually take off once science shows it's complex in any of three things: sex, athletic performance, or hair growth. In Victoria, we saw evidence for neuromuscular (athletic) execution and hair growth.
Dr. Cedric Garland recounted how, 26 years ago, he and his brother Frank first idea about the association in the middle of vitamin D and colon cancer. The brothers, together with colleague Ed Gorham, were the first to contribute epidemiological evidence that vitamin D deficiency is complex in numerous cancers. Their seminal 1980 paper is going to be reprinted, a well-deserved honour. (Int J Epidemiol. 1980 Sep;9(3):227-31).
Dr. Thadhani and his group from Harvard reviewed their modern discovery that calcitriol and similar drugs growth survival in patients with renal failure. He also presented evidence that renal failure patients have profound deficiencies of both calcitriol and vitamin D and their vitamin D deficiency is not corrected by giving calcitriol or its analogs, which is the current practice.
Of course, Dr. Robert Modlin stole the show when he reported on his study just published in Science that vitamin D may be, in effect, a suited antibiotic. For the first time, the Ucla group showed that when researchers add vitamin D to African American blood, their blood makes more of the natural antibiotics that humans rely on the fight infection. Dr. Adrian Martineau, from the Imperial College in London, followed Modlin and showed vitamin D helped fight tuberculosis, probably from addition these same natural antibiotics. Science has discovered more than 200 of these simply occurring antimicrobial peptides; they are especially prevalent in the upper and lower respiratory tract; at least one inactivates the influenza virus. Let's not forget that two other groups have also recently shown the antibiotic inherent of vitamin D. (Science. 2006 Mar 24;311(5768):1770-3, J Immunol. 2004 Sep 1;173(5):2909-12, Faseb J. 2005 Jul;19(9):1067-77, J Virol. 1986 Dec;60(3):1068-74).
Dr. Lu presented evidence that the vitamin D article of fish is much less than previously thought, along with mackerel. Salmon is Ok but the vitamin D almost disappears when the salmon is fried.
Dr. Hardin, from Columbia University, presented evidence that blood levels above 50 ng/ml should help patients with lupus. A group from the University of Manchester presented the mechanism by which vitamin D should sell out arteriosclerosis. A group from the University of Chicago presented evidence that vitamin D should not only prevent colon cancer, but help treat it as well. Dr. Robert Scragg of the University of Auckland presented evidence that ethnic differences in vitamin D levels clarify a considerable proportion of the speculate African Americans are more hypertensive than whites. The group from San Diego presented evidence that vitamin D deficiency is intimately complex in breast, colon, and ovarian cancer.
A group from the University of Manitoba presented evidence that one-month-old infants tolerate 2,000 units of vitamin a day for three months quite well without any evidence of adverse effects. A group from Wake Forest University demonstrated that higher vitamin D levels were related with good neuromuscular (athletic) execution in older Americans (should help younger Americans too). A group from the University of Amsterdam showed that the increased risk of falling from vitamin D deficiency is much worse in habitancy with a tasteless genetic incompatibility of the vitamin D receptor. Dr. Chen presented evidence that plain old vitamin D should prevent prostate cancer.
Dr. Barsony, of Georgetown University, presented evidence that low blood sodium is a risk factor for vitamin D deficiency and that such deficiencies may not be able to be corrected until the low blood sodium is corrected. Dr. Barsony actually idea surface the box to search for this potentially very prominent clinical finding. Dr. Godar presented evidence that young Americans, not just older Americans, are not getting much vitamin D from sunlight. Dr. Taylor showed evidence that a considerable amount of young children have a previously undetected form of vitamin D in their blood. (Sunlight triggers the creation of a amount of distinct versions of vitamin D in the skin, that's why it's risky to avoid the sun and only depend on oral vitamin D.) Dr. Patel and a group from the University of Manchester announced evidence that vitamin D deficiency may be complex in inflammatory polyarthritis.
Dr. Grant was complex in six presentations; the most inspiring was his replication of a 1937 finding that squamous cell skin cancer reduces one's risk for a amount of internal cancers. That's why I used to be so happy when my dermatologist found a squamous cell cancer on my skin. However, now that I speak my level at about 60 ng/ml, he hasn't been able to find any new ones.
Dr. Bulmer and his group from the Royal Victoria Infirmatory produced evidence that vitamin D may play a role in allowing fertilized ova to implant in the uterus and thus improve fertility. Dr. Reichrath presented evidence that transplant recipients are at a high risk for vitamin D deficiency and that 50,000 units once a month may be the most practical way of ensuring sufficiency. Dr. Selby from the University of Manchester found the same problem in patients with persisting pancreatitis. A group from the University of Tennessee found the same problem in African Americans with heart failure. A group from Norway confirmed that cancer patients do good if they are diagnosed when vitamin D levels are the highest.
Finally, the Australian group headed by Dr. Darryl Eyles and Dr. John McGrath continue to gift their convincing evidence (confirmed at this meeting by Dr. Abreu and a group from France) that profound maternal vitamin D deficiency in mammals causes permanent brain damage in their offspring. The racial implication of their work is extraordinary because most of the women in the Usa who are profoundly deficient are African American. Are African Americans more likely to be born brain damaged than whites? Would pennies worth of vitamin D improve the disparate prenatal, perinatal, and postnatal outcome in African Americans? The sad fact is that McGrath's and Eyles' work will continue to be ignored because our society has no way to rationally discuss, assimilate, or act on such racially charged scientific discoveries.
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