Research has recently found that vitamin D has a protective effect against arterial stiffness and impaired blood vessel relaxation.

 The Amazing Nutrient that Lowers Your Blood Pressure Posted By Dr. Mercola
April 30 2011
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Research has recently found that vitamin D has a protective effect against arterial stiffness and impaired blood vessel relaxation.



Study participants with reduced levels of vitamin D had increased arterial stiffness and vascular function impairment. However, among those whose vitamin D levels were normalized over a six month period, vascular health improved and blood pressure measurements declined.



Science Newsline Reports:



"The results add to evidence that lack of vitamin D can lead to impaired vascular health, contributing to high blood pressure and the risk of cardiovascular disease."



In related news, researchers have also found that high level of vitamin D could be protective against the development of early age-related macular degeneration (AMD), a leading cause of vision loss in adults.



In women younger than 75, those who had 25-hydroxyvitamin D concentrations lower than 38 nanomoles per liter were more likely to have age-related macular degeneration than women with concentrations greater than 38 nanomoles per liter.

Sources:

Science Newsline April 4, 2011



Archives of Ophthalmology April 2011; 129(4): 481-489



MSNBC April 27, 2011



Science Daily March 21, 2011



Journal of General Internal Medicine April 21, 2011 [Epub ahead of print]



Diabetes Care May 2011;34(5):1133-8



Journal of General Internal Medicine March 15, 2011 [Epub ahead of print]