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News tagged with vitamin d

Vitamin D found to influence over 200 genes, highlighting links to disease

The extent to which vitamin D deficiency may increase susceptibility to a wide range of diseases is dramatically highlighted in research published today. Scientists have mapped the points at which vitamin D interacts with ...

Medicine & Health / Genetics

created Aug 23, 2010 | popularity 4.9 / 5 (33) | comments 15 | with audio podcast

Vitamin D crucial to activating immune defenses

Scientists at the University of Copenhagen have discovered that Vitamin D is crucial to activating our immune defenses and that without sufficient intake of the vitamin, the killer cells of the immune system ...

Medicine & Health / Medical research

created Mar 07, 2010 | popularity 4.9 / 5 (31) | comments 1 | with audio podcast

Low levels of vitamin D linked to muscle fat, decreased strength in young people

There's an epidemic in progress, and it has nothing to do with the flu. A ground-breaking study published in the March 2010 Journal of Clinical Endocrinology and Metabolism found an astonishing 59 per cent of study subjec ...

Medicine & Health / Health

created Mar 05, 2010 | popularity 5 / 5 (7) | comments 2 | with audio podcast

Low pre-natal vitamin D doubles schizophrenia risk

(PhysOrg.com) -- Newborn babies with low levels of vitamin D have an increased risk of developing schizophrenia later in life, researchers at the Queensland Brain Institute have found.

Medicine & Health / Health

created Sep 07, 2010 | popularity 4 / 5 (1) | comments 1 | with audio podcast

Study shows link between vitamin D, skin cancer

A Henry Ford Hospital study has shown a link between Vitamin D levels and basal cell carcinoma, a finding that could lead researchers to better understand the development of the most common form of skin cancer.

Medicine & Health / Cancer

created Mar 04, 2010 | popularity 3.4 / 5 (11) | comments 9 | with audio podcast

Study explores link between sunlight, multiple sclerosis

For more than 30 years, scientists have known that multiple sclerosis (MS) is much more common in higher latitudes than in the tropics. Because sunlight is more abundant near the equator, many researchers have wondered if ...

Medicine & Health / Medical research

created Mar 22, 2010 | popularity 5 / 5 (4) | comments 2 | with audio podcast

First complete 3D visualization of vitamin D receptor

For the first time, a team from the Institut de Génétique et de Biologie Moléculaire et Cellulaire, France, has obtained a high-resolution, full 3D image of a small but vital molecule locked ...

Chemistry / Biochemistry

created Jan 24, 2012 | popularity 5 / 5 (2) | comments 0

Report: A bit more vitamin D is good, not too much

(AP) -- Got milk? You may need a couple cups more than today's food labels say to get enough vitamin D for strong bones. But don't go overboard: Long-awaited new dietary guidelines say there's no proof that megadoses prevent ...

Medicine & Health / Health

created Nov 30, 2010 | popularity 3.7 / 5 (3) | comments 6

Study links rheumatoid arthritis to vitamin D deficiency

Women living in the northeastern United States are more likely to develop rheumatoid arthritis (RA), suggesting a link between the autoimmune disease and vitamin D deficiency, says a new study led by a Boston University School ...

Medicine & Health / Health

created Apr 07, 2010 | popularity 3.4 / 5 (5) | comments 3 | with audio podcast

Vitamin D: Not just for bones, says San Francisco VA physician

It is well-known that vitamin D is essential for strong and healthy bones. However, in an article in the online "In Press" section of "Trends in Endocrinology and Metabolism," a San Francisco VA Medical Center physician reviews ...

Medicine & Health / Health

created Jun 15, 2010 | popularity 4.2 / 5 (5) | comments 1 | with audio podcast

Vitamin D supplements could fight Crohn's disease

(PhysOrg.com) -- A new study has found that Vitamin D, readily available in supplements or cod liver oil, can counter the effects of Crohn's disease. John White, an endocrinologist at the Research Institute ...

Chemistry / Biochemistry

created Jan 27, 2010 | popularity 5 / 5 (2) | comments 1 | with audio podcast

High vitamin D levels linked to lower risk of colon cancer

High blood levels of vitamin D are associated with a lower risk of colon cancer, finds a large European study published on bmj.com today. The risk was cut by as much as 40% in people with the highest levels compared with ...

Medicine & Health / Cancer

created Jan 21, 2010 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Amid the murk of 'gut flora,' vitamin D receptor emerges as a key player

Within the human digestive tract is a teeming mass of hundreds of types of bacteria, a potpourri of microbes numbering in the trillions that help us digest food and keep bad bacteria in check.

Medicine & Health / Medical research

created Jul 07, 2010 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

New standard for vitamin D testing to ensure accurate test results

At a time of increasing concern about low vitamin D levels in the world's population and increased use of blood tests for the vitamin, scientists are reporting development of a much-needed reference material ...

Chemistry / Analytical Chemistry

created Jan 25, 2012 | popularity 5 / 5 (2) | comments 0

More than skin deep, tanning product of sun's rays

People who remain pale and never tan can blame their distant ancestors for choosing to live in the northern reaches of the globe and those who easily achieve a deep tan can thank their ancestors for living in the subtropical ...

Biology / Other

created Jun 21, 2010 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Vitamin D

Vitamin D is a group of fat-soluble prohormones, the two major forms of which are vitamin D2 (or ergocalciferol) and vitamin D3 (or cholecalciferol). The term vitamin D also refers to metabolites and other analogues of these substances. Vitamin D3 is produced in skin exposed to sunlight, specifically ultraviolet B radiation.

Vitamin D plays an important role in the maintenance of organ systems.

Vitamin D deficiency can result from inadequate intake coupled with inadequate sunlight exposure; disorders that limit its absorption; conditions that impair conversion of vitamin D into active metabolites, such as liver or kidney disorders; or, rarely, by a number of hereditary disorders. Deficiency results in impaired bone mineralization and leads to bone softening diseases rickets in children and osteomalacia in adults, and possibly contributes to osteoporosis. However, sunlight exposure, to avoid deficiency, carries other risks, including skin cancer; this risk is avoided with dietary absorption, either through diet or as a dietary supplement.

For more information about Vitamin D, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.