New York: Despite some research linking low vitamin D levels to heart disease, a new study suggests that lacking D does not increase one`s risk of an irregular heartbeat known as atrial fibrillation.Researchers followed nearly 3,000 middle-aged and older adults in the long-running Framingham Heart Study for roughly 10 years and found that 425 people developed atrial fibrillation.But, Dr. Michiel Rienstra of Massachusetts General Hospital and his colleagues found there was no difference in the likelihood of getting the condition between people with the highest vitamin D levels in their blood and those with the lowest.Atrial fibrillation stems from a malfunction in the heart`s electrical system, which causes the irregular heartbeat. That can lead blood to pool in the heart, increasing the risk of blood clots, which in turn may cause strokes. Treatment often includes blood thinners taken to prevent clots."I think the study was done well," said Dr. Michal Melamed, who studies vitamin D at the Einstein School of Medicine in New York and was not involved in the research. It shows that this one vitamin doesn`t have an effect on all heart diseases, which is a good thing, she said.
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