John Campbell Reviews Vitamin D and Immunity Studies
Dr. John Campbell · Explainer · 20 min · 2020 · YouTube title: Vitamin D and immunity
Why it's here
Commenters point to Campbell's channel as a low-tech, content-dense source of pandemic updates and early discussion of vitamin D.
What it covers
Dr. John Campbell reviews studies on vitamin D and immunity, including research on respiratory infections, during the early COVID-19 period.