Saturday, August 04, 2007

So Get Out in the Sun a Little More

Researchers at Queen Mary's School of Medicine and Dentistry and the Imperial College in London found that vitamin D has such strong immune-boosting power that it can fight tuberculosis (TB) and other bacteria for at least six weeks. After a single dose. And a single 2.5 milligram dose at that.

The research team based their study on a previous finding showing that over 90 percent of the participants who had been exposed to TB had significant vitamin D deficiency. From there, they divided the subjects into two groups. One group was given a single 2.5 milligram vitamin D supplement. The other was given a placebo. Researchers then took blood samples from both groups and examined the samples to see if the vitamin D had any effect on the immune system's reaction to the TB bacteria. The results were so strong that the researchers concluded that vitamin D "could make a significant impact on the health of people most at risk from the disease."

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