JoAnn E. Manson, MD, DrPH February 16, 2022 Hello. This is Dr JoAnn Manson, professor of medicine at Harvard Medical School and Brigham and Women’s Hospital. I’d like to talk about recent promising research from the vitamin D and omega-3 in the prevention of autoimmune diseases (VITAL) trial, recently published in The BMJ . We tested vitamin D 2000...