Meta-analysis: Vitamin D levels and risk of heart disease, early death
In 1981, Professor Robert Scragg first hypothesized that vitamin D deficiency contributed to heart disease. He used latitudinal, seasonal and altitudinal data to support his theory. Thirty-two years later, we are getting closer to understanding the truth of his theory.
Scragg R. Seasonality of cardiovascular disease mortality and the possible protective effect of ultra-violet radiation. Int J Epidemiol. 1981 Dec;10(4):337-41.
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