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Matti Narkia

Vitamin D Deficiency Lead to Disease - Dr. Weil's Weekly Bulletin - 0 views

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    "If you're running low on vitamin D - as an estimated 70 percent of the U.S. population is - your immune system may not be functioning as well as it should. As a result, you may be more vulnerable to infectious diseases than you would if your vitamin D levels were optimal. Worse, you could be at higher than normal risk of a long list of diseases including heart disease and several kinds of cancer. A report recently published journal, Future Microbiology, highlighted research at the Linus Pauling Institute at Oregon State University, which has shown that vitamin D induces expression of an antimicrobial peptide gene called cathelicidin that is the "first line of defense" in the immune system's response to minor wounds, cuts and bacterial and viral infections. The regulation of cathelicidin by vitamin D could help explain its vital role in immune function. The report noted that vitamin D is a key cofactor in reducing inflammation, in blood pressure control and helping to protect against heart disease. Author Adrian Gombart explains that there is still much to explore about D's mechanisms of action, the potential use of synthetic analogs of it in new treatments, and its duty in fighting infection."
Matti Narkia

The health benefits of vitamin D greatly outweigh the health risks - 0 views

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    In his recent essay, Trevor G. Marshall explores how vitamin D supplementation may be contributing to the current epidemics of obesity and chronic disease[1]. Unfortunately, he has overlooked many important papers that disagree with his hypothesis. This letter points out some of the omissions. The health benefits of vitamin D3 have been reviewed recently[2]. The benefits for bone health have been known for nearly a century. Benefits for cancer, infectious diseases, autoimmune diseases, and metabolic diseases have been identified in the past three decades.
Matti Narkia

Vitamin D signaling, infectious diseases, and regulation of innate immunity. - Infect I... - 0 views

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    Vitamin D signaling, infectious diseases, and regulation of innate immunity. White JH. Infect Immun. 2008 Sep;76(9):3837-43. Epub 2008 May 27. Review. PMID: 18505808 doi:10.1128/IAI.00353-08
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: a D-Lightful health perspective. - Nutr Rev. 2008 Oct;66(10 Suppl 2):S182-94... - 0 views

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    Vitamin D: a D-Lightful health perspective. Holick MF. Nutr Rev. 2008 Oct;66(10 Suppl 2):S182-94. Review. PMID: 18844847 DOI: 10.1111/j.1753-4887.2008.00104.x Sunlight provides most humans with their vitamin D requirement. Adequate vitamin D(3) by synthesis in the skin or from dietary and supplemental sources is essential for bone health throughout life. Vitamin D deficiency is defined as a 25(OH)D concentration 30 ng/mL (75 nmol/L), and insufficiency as 21-29 ng/mL. Vitamin D deficiency and insufficiency has been linked to a wide variety of chronic diseases including common cancers, autoimmune, cardiovascular, and infectious diseases. Healthcare professionals need to be aware of the vitamin D deficiency pandemic. Guidelines for sensible sun exposure and supplemental vitamin D of 800-1000 IU/day are needed.
Matti Narkia

GrassrootsHealth | Vitamin D Action - Seminars - 0 views

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    Dear Colleague: What public health action could you take today that could possibly stop breast cancer and colon cancer, prevent type 1 diabetes and multiple sclerosis, and reduce the incidence of infectious diseases? What would be the economic impact of this action? A group of physicians and researchers in the vitamin D field are presenting information at this conference to look at the current research and practice with vitamin D to enable everyone to take action today based on what's known to solve the deficiency epidemic, and, to start the prevention of many diseases.
Matti Narkia

(VIDEO) Shedding light on the vitamin D deficiency 'crisis' - thebahamasweekly.com - 0 views

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    (VIDEO) Shedding light on the vitamin D deficiency 'crisis' By GrassRootsHealth.com Oct 11, 2009 - 4:49:39 PM San Diego, CA - Can vitamin D prevent 80% of the incidence of breast cancer? What is its affect on colon cancer and other major illnesses? These questions and more will be addressed when some of the most prominent vitamin D researchers in North America participate in the " Diagnosis & Treatment of Vitamin D Deficiency" seminar presented by GrassrootsHealth at the University of Toronto on Tuesday, November 3 from 8 a.m. - 5 p.m. GrassrootsHealth is the founder of D*action, an international public health project whose goal is to solve the vitamin D deficiency epidemic. GrassrootsHealth and D*action work with over 30 scientists, institutions and individuals committed to educate, test, and study vitamin D levels worldwide. At the conference, a group of physicians and researchers in the vitamin D field will discuss vitamin D's role in the potential prevention of many diseases, including breast cancer, colon cancer, type 1 diabetes and multiple sclerosis, the ultimate reduction in the incidence of infectious diseases and the economic impact of such action
Matti Narkia

GrassrootsHealth | Vitamin D Action - Vitamin D Scientists' Call to Action Statement - 0 views

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    "We are aware of substantial scientific evidence supporting the role of vitamin D in prevention of cancer. It has been reasonably established that adequate serum vitamin D metabolite levels are associated with substantially lower incidence rates of several types of cancer, including those of the breast, colon, and ovary, and other sites. We have concluded that the vitamin D status of most individuals in North America will need to be greatly improved for substantial reduction in incidence of cancer. Epidemiological studies have shown that higher vitamin D levels are also associated with lower risk of Type I diabetes in children and of multiple sclerosis. Several studies have found that markers of higher vitamin D levels are associated with lower incidence and severity of influenza and several other infectious diseases."
Matti Narkia

More Good News About Vitamin D | Print Article | Newsweek.com - 0 views

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    "For more than 80 years, scientists have known that vitamin D is important for building bones. And for most of those 80 years, people thought this was the only thing it was good for. In the past decade, however, we've learned two important things about vitamin D: it appears to have many other important health effects, and many Americans don't get enough of it. In 2008, new research pointed to a vitamin D deficiency as a possible contributing factor in heart disease. And the suspected link between vitamin D deficiency and cancer grew even stronger. This surely will spur much new research in 2009. Why is vitamin D deficiency so common? The vitamin is made in our skin when sunlight strikes it. Many Americans-especially those who live in the northern part of the country, are elderly or have dark skin-don't soak up enough sun. And the vitamin isn't found in many foods. The main sources are fatty fish (such as salmon, mackerel, herring and sardines) and milk, cereal and juices that have been fortified with it. Vitamin D deficiency often is unsuspected because it causes no direct symptoms; like high blood pressure, it does its damage silently."
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