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Low Levels Of Vit D Not a Direct Risk Factor For Heart Disease: British Heart Foundation

by Julia Samuel on  June 22, 2015 at 6:52 PM Heart Disease News   - G J E 4
Scientists have claimed that a lack of exposure to sunshine resulting in a vitamin D deficiency may not play a key role in heart disease and winter deaths.
Low Levels Of Vit D Not a Direct Risk Factor For Heart Disease: British Heart Foundation
Low Levels Of Vit D Not a Direct Risk Factor For Heart Disease: British Heart Foundation
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A research team from the University of Dundee found that while low vitamin D levels correlates with higher levels of cardiovascular disease the cause was likely to be down to lifestyle and other risk factors.

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Researchers examined blood samples taken from thousands of men and women who agreed to have their risk factors measured after vitamin D was first linked with excess levels of winter disease in 1981.

Prof Jeremy Pearson, British Heart Foundation said, "We've known for many years that a low level of vitamin D is associated with an increased risk of cardiovascular disease, but it was not clear whether lack of vitamin D directly causes the increased risk or is a consequence of other factors."

Results show that while overall incidence of cardiovascular events did not vary seasonally, deaths from heart disease and from other causes did.

Vitamin D levels also varied, with highest levels seen in August and lowest in March - a two-to-one difference - but crucially this was several weeks after peak winter death rates, so changes in vitamin D were too late to be the cause.

People with lower vitamin D levels did have higher rates of cardiovascular disease, but low vitamin D levels were also associated with lifestyle and other risk factors.

Source: Medindia
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