Getting enough vitamin D is a simple step that could help millions of people reduce their risk of heart disease. A simple step could help millions of people reduce their risk of heart disease, according to new research: make sure to get enough vitamin D. The new research elucidates linkages between skin pigmentation, vitamin D, and indicators of cardiovascular health. Combined with evidence from previous research, the new study suggests vitamin D deficiency could contribute to the high rate of heart disease among African Americans. “More darkly-pigmented individuals may be at greater risk of vitamin D deficiency, particularly in areas...