Low Vitamin D linked to heart disease, death
By Kimberly Hayes Taylor
The American Journal of Cardiology November 2011
New York (Reuters Health)- In people with low levels of Vitamin D, boosting them with supplements more than halved the persons risk of dying from any cause compared to someone who remained deficient. In a large new study at the University of Kansas Hospital and Medical Center, Dr. James L. Vacek and his team reviewed data from 10,899 adults whose Vitamin D levels had been tested and found that more than 70% of the patients were below 30 ng/ml, the level many experts consider sufficient for good health.
After taking into account the patient's medical history, medications and other factors, the cardiologists found that people with deficient levels of Vitamin D were more than twice as likely to have diabetes, 40% more likely to have high blood pressure and about 30% more likely to suffer from cardiomyopathy--a diseased heart muscle--as people without Vitamin D deficiency.
(Vitamin D deficiency has an increased risk of developing cancer.)
Overall, those who were deficient in D had a three-fold higher likelihood of dying from any cause than those who weren't deficient.
The study does not prove that Vitamin D is the cause of the effects seen--other factors, like disease, could be responsible both for the difference in health and the differences in Vitamin D levels.
Vacek said he believes so many people are deficient because we should get about 90% of our Vitamin D from the sun and only about 10% from our food.
The human body makes Vitamin D in response to skin exposure to sunlight. Certain foods, like oily fish, eggs and enriched milk products are also good sources of D.
Adults should consider getting their Vitamin D levels checked through a simple blood test, Vacek said, and take Vitamin D supplements. Normal Vitamin D levels are 30.0-74.0 ng/ml, lower than normal suggests Vitamin D deficiency.
"If you're not deficient, Vitamin D is not a magic pill that will make you live longer," Vacek said. "Its benefit is in people who are deficient. If you're low, it makes sense to be put on replacement therapy and have a follow-up a couple of months later to make sure your levels come up."
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Yaz birth control and Yasmin Birth Control are oral contraceptives manufactured by Bayer health care Pharmaceuticals, Inc.
On December 8, 2011, the FDA voted 21 to 5 that labeling on Yaz and Yasmin is inadequate and should be updated to include information from several studies that suggest a higher risk of blood clots associated with birth control.