why do you need vitamin d in your body
Why do I need? Your body must have to absorb and promote bone growth. Too little vitamin D results in soft bones in children (rickets) and fragile, misshapen bones in adults (osteomalacia). You also need vitamin D for other important body functions. has now been linked to, and other maladies. These studies show that people with higher levels of vitamin D have a lower risk of disease, although they do not definitively prove that lack of vitamin D causes disease -- or that vitamin D
would lower risk. The Vitamin D Council -- a scientist-led group promoting awareness -- suggests vitamin D treatment might be found helpful in treating or, neuromuscular diseases, and. However, there have been no definitive. That's why the Institute of Medicine expert committee's November 2010 review found no conclusive evidence that vitamin D, by itself, offers wide-ranging health benefits. "Despite the many claims of benefit surrounding vitamin D in particular, the evidence did not support a basis for a causal relationship between vitamin D and many of the numerous health outcomes purported to be affected by vitamin D intake," the IOM committee concluded.
The only proven benefit of vitamin D is its role in helping build strong bones. But that's far from the whole story. Vitamin D helps regulate the immune system and the neuromuscular system. Vitamin D also plays major roles in the life cycle of human cells. Vitamin D is so important that your body makes it by itself -- but only after exposure to sufficient sunlight.
This is a problem for people in northern climates. In the U. S. , only people who live south of a line drawn from Los Angeles to Columbia, S. C. , get enough sunlight for vitamin D production throughout the year. Dark skin absorbs less sunlight, so people with dark skin do not get as much vitamin D from sun exposure as do light-skinned people. This is a particular problem for African-Americans in the northern U. S. 2 В 2009 WebMD, LLC. All rights reserved. Many factors can affect your ability to get sufficient amounts of vitamin D through the sun alone. These factors include: Having darker skin. (The higher the levels of melanin, the less vitamin D the skin can absorb. ) These factors contribute to vitamin D deficiency in an increasing number of people.
ThatБs why itБs important to get some of your vitamin D from sources besides sunlight. , and pains, and severe or or weakness that may cause difficulty climbing stairs or getting up from the floor or a low chair, or cause you to walk with a, especially in your legs, pelvis, and hips Doctors can diagnose a by performing a simple blood test. If you have a deficiency, your doctor may order X-rays to check the strength of your bones. If youБre diagnosed with a vitamin D deficiency, your doctor will likely recommend you take daily vitamin D supplements. If you have a severe deficiency, they may instead recommend high-dose vitamin D tablets or liquids. You should also make sure to get vitamin D through sunlight and the foods you eat.
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