Paul Riordan, MD.
Assistant Consulting Professor of Psychiatry, Duke University.
Dr. Riordan has disclosed no relevant financial or other interests in any commercial companies pertaining to this educational activity.
Vitamin D deficiency is causing everything from depression to cancer to COVID-19, at least that’s what our patients are hearing. Paul Riordan looks at the strength of that research and clarifies when to check levels and when to supplement.