Vitamin D reduce CV risk.

(Recommended by Mario Maranhão)
The latter part of 2007 heralded findings from two studies on vitamin D. A meta analysis—titled “Vitamin D Supplementation and Total Mortality”— appeared in the September 10, 2007 issue of the Archives of Internal Medicine and suggested that ordinary doses of vitamin D supplements seem to be associated with decreases in total mortality rates. Other research published in the November 2007 Journal of National Cancer Institute showed a decrease in colorectal mortality with a 72% reduced risk of dying from colorectal cancer when high levels of vitamin D were present.
More recently, a study published in the June 9, 2008 Archives of Internal Medicine says a vitamin D deficiency puts men at an increased risk—2.5 times more likely—for a heart attack.
The research. Epidemiologist Edward Giovannucci, MD, ScD, from Boston’s Harvard School of Public Health, led the prospective study, which was sparked by the hypothesis that a vitamin D deficiency may be involved in atherosclerosis and coronary heart disease development./.../