Scientists in Spain have found that more than 80 percent of COVID-19 patients are deficient in vitamin D. Many people, especially the elderly, are deficient in vitamin D nowadays. The important role of vitamin D, helping to ensure the body’s…
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Scientists in Spain have found that more than 80 percent of COVID-19 patients are deficient in vitamin D. Many people, especially the elderly, are deficient in vitamin D nowadays. The important role of vitamin D, helping to ensure the body’s…