WASHINGTON - Long COVID remains one of the more stubborn medical puzzles of the past several years. Millions of people who ...

People who are deficient in vitamin D may be at higher risk of contracting the novel coronavirus than those with sufficient levels, according to the results of a new retrospective study from Illinois.

Researchers observed no significant difference between the groups in the 4-week cumulative incidence of health care utilization among index participants HealthDay News — Vitamin D 3 supplementation ...

JoAnn Manson, MD, shares findings from the VIVID trial on vitamin D, the timing of use, and its potential to reduce long COVID risk and symptom severity. AJMC: To what extent might the timing of ...

A new study will consider whether vitamin A can help those who have lost their sense of smell after having COVID-19. The 12-week Apollo trial will treat people who have experienced smell loss or an ...

A study suggests vitamin D may reduce long COVID symptoms at 8 weeks, although larger trials are needed to confirm benefits and optimal timing, explains JoAnn E. Manson, MD, MPH, DrPH. “The next best ...