Researchers: Vitamin D deficiency may lead to severe COVID-19 complications, death

(Natural News) Those who are deficient in vitamin D may be more prone to developing severe COVID-19 symptoms, according to a new research paper. The statistical analysis, conducted by a team of researchers from Northwestern University and published in preprint format on the MedXRiv site, covered Wuhan coronavirus cases in multiple countries, including China, Iran, Germany, Italy, the United Kingdom...