From the August 2014 issue of Massachusetts General Hospital's Mind, Mood, & Memory (MMM)
Bask in the “Sunshine Vitamin” for Better Brain Health
More than a third of adults are deficient in this key vitamin.
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As many as 41 percent of American adults may be deficient in vitamin D, according to National Health and Nutrition Examination Survey data. Yet the most important source of vitamin D is free and available to all: Sunshine absorbed through the skin for as little as 15 minutes can provide 95 percent of the required […]