To the Editor In their latest meta-analysis of the association of vitamin D with cardiovascular disease, Barbarawi et al1 once again show that vitamin D plays no part in cardiovascular health. Bolland et al2 showed that by 2006, enough data had been collected to confirm beyond doubt that vitamin D supplementation has no effect at diminishing cardiovascular and cerebrovascular disease. And yet the trials and articles keep coming. Maybe people need repeated affirmation that the earth is indeed round, the sun rises in the east, and that vitamin D deficiency is correlated with but does not cause heart disease.
Weller RB. Beneficial Effects of Sunlight May Account for the Correlation Between Serum Vitamin D Levels and Cardiovascular Health. JAMA Cardiol. 2020;5(1):109. doi:10.1001/jamacardio.2019.4336
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