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Vitamin D and Immunity, Lots of Evidence30:26

Vitamin D and Immunity, Lots of Evidence

711K views • 6 years ago
Dr. John Campbell
Dr. John Campbell reviews studies on vitamin D deficiency and immunity, including links to influenza and COVID-19, with Public Health England advice. He walks through the sources he cites.
Vitamin D and immunity20:21

Vitamin D and immunity

1.6M views • 6 years ago
Dr. John Campbell
Dr. John Campbell reviews studies on vitamin D and immunity, including research on respiratory infections, during the early COVID-19 period.