News tagged with vitamin d
Vitamin D could provide new and effective treatments for asthma
(Medical Xpress)—Scientists at King's College London have discovered that Vitamin D has the potential to significantly reduce the symptoms of asthma. The study, led by Professor Catherine Hawrylowicz from ...
Immunology
May 20, 2013 |
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Extra vitamin D may ease Crohn's symptoms, study finds
(HealthDay)—Vitamin D supplements may help those with Crohn's disease overcome the fatigue and decreased muscle strength associated with the inflammatory bowel disease, according to new research.
Diseases, Conditions, Syndromes
May 20, 2013 |
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Sunshine could benefit health and prolong life, study suggests
Exposing skin to sunlight may help to reduce blood pressure, cut the risk of heart attack and stroke – and even prolong life, a study suggests.
Health
May 07, 2013 |
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High doses of Vitamin D help tuberculosis patients recover more quickly
For decades before antibiotics became generally available, sunshine was used to treat tuberculosis, with patients often being sent to Swiss clinics to soak up the sun's healing rays. Now, for the first time scientists have ...
Diseases, Conditions, Syndromes
Sep 03, 2012 |
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Modern life may cause sun exposure, skin pigmentation mismatch
As people move more often and become more urbanized, skin color—an adaptation that took hundreds of thousands of years to develop in humans—may lose some of its evolutionary advantage, according to a Penn State anthropologist.
Health
Feb 16, 2013 |
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Scientists find vitamin D crucial in human immune response to tuberculosis
Not just important for building strong bones, an international team of scientists has found that vitamin D also plays an essential role in the body's fight against infections such as tuberculosis.
Medical research
Oct 12, 2011 |
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Like curry? New biological role identified for compound used in ancient medicine
Scientists have just identified a new reason why some curry dishes, made with spices humans have used for thousands of years, might be good for you.
Medical research
May 25, 2012 |
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Vitamin D: More may not be better
In recent years, healthy people have been bombarded by stories in the media and on health websites warning about the dangers of too-low vitamin D levels, and urging high doses of supplements to protect against everything ...
Health
May 01, 2013 |
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Preterm infants may need 800 IU of vitamin D3 per day
Preterm infants may need to be given 800 international units (IU) of vitamin D a day to ensure they develop strong bones, according to a study to be presented Sunday, May 5, at the Pediatric Academic Societies (PAS) annual ...
Pediatrics
May 05, 2013 |
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Vitamin D slows the progression of cells from premalignant to malignant states, keeping their proliferation in check
(Medical Xpress)—A team of researchers at McGill University have discovered a molecular basis for the potential cancer preventive effects of vitamin D. The team, led by McGill professors John White and David Goltzman, of ...
Cancer
Nov 23, 2012 |
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Researchers pinpoint upper safe limit of vitamin D blood levels
Researchers claim to have calculated for the first time, the upper safe limit of vitamin D levels, above which the associated risk for cardiovascular events or death raises significantly, according to a recent study accepted ...
Health
Apr 30, 2013 |
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Low vitamin D levels linked to depression, psychiatrists report
Low levels of vitamin D have been linked to depression, according to UT Southwestern Medical Center psychiatrists working with the Cooper Center Longitudinal Study. It is believed to be the largest such investigation ever ...
Health
Jan 05, 2012 |
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Mozart may have lived longer if he had spent more time in the sun: study
(Medical Xpress) -- According to a new report published in Medical Problems of Performing Artists, Austrian composer Wolfgang Amadeus Mozart may have lived longer had he spent more time in the sun and allowe ...
Health
Jul 13, 2011 |
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Optimal vitamin D dosage for infants uncertain
In a comparison of the effect of different dosages of vitamin D supplementation in breastfed infants, no dosage raised and maintained plasma concentrations within a range recommended by some pediatric societies. However, ...
Health
Apr 30, 2013 |
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New review associates vitamin D with lower rates of tooth decay
A new review of existing studies points toward a potential role for vitamin D in helping to prevent dental caries, or tooth decay.
Dentistry
Nov 27, 2012 |
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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.
