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Hyaluronic Acid Center, Neptune Krill Oil & Rejuvenation Science for Doctors

Tuesday, August 25, 2009

Why Low Vitamin D Raises Heart Disease Risks in Diabetics

Low levels of vitamin D are known to nearly double the risk of cardiovascular disease in patients with diabetes, and researchers at Washington University School of Medicine in St. Louis now think they know why.

They have found that diabetics deficient in vitamin D can't process cholesterol normally, so it builds up in their blood vessels, increasing the risk of heart attack and stroke. The new research has identified a mechanism linking low vitamin D levels to heart disease risk and may lead to ways to fix the problem, simply by increasing levels of vitamin D.

View details of this vitamin D diabetic heart disease risk study.

Tuesday, August 11, 2009

Vitamin D Prevents Infections

Participants in a study on fracture prevention were randomly assigned to receive 800 IU per day of vitamin D, 1,000 mg per day of calcium, both supplements, or placebo for 24 to 62 months. Among the 55% of questionnaire respondents who were still taking their treatment, the incidence of infections was 20% lower in those assigned to received vitamin D than than those assigned not to receive vitamin D (p=0.06).

A dose of 800 IU per day of vitamin D appears to be the minimum amount that improves various clinical outcomes in elderly people.

View details of this vitamin D infection study.

Saturday, August 08, 2009

Millions of U.S. Children Low in Vitamin D

Seven out of ten U.S. children have low levels of vitamin D, raising their risk of bone and heart disease, according to a study of over 6,000 children by researchers at Albert Einstein College of Medicine of Yeshiva University. The striking findings suggest that vitamin D deficiency could place millions of children at risk for high blood pressure and other risk factors for heart disease.

The researchers found that 9 percent of the study sample, equivalent to 7.6 million children across the U.S., was vitamin D deficient, while another 61 percent, or 50.8 million, was vitamin D insufficient. “We expected the prevalence of vitamin D deficiency would be high, but the magnitude of the problem nationwide was shocking,” says lead author Juhi Kumar, M.D., M.P.H.

View details on this children's vitamin D study.