Human migration over the past 500 years has resulted in spike in vitamin D deficiencies
When? September. By who? Cordoba University in Spain. What did scientists study? 50 Covid-19 hospital patients with Covid-19 were given vitamin
Read MoreWhen? September. By who? Cordoba University in Spain. What did scientists study? 50 Covid-19 hospital patients with Covid-19 were given vitamin
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