Dr. Karen Costenbader, a leading researcher in autoimmune disease prevention, shares insights from her groundbreaking study on Vitamin D and marine n-3 fatty acids. She discusses the significant findings that suggest these nutrients could help prevent autoimmune conditions. The conversation also highlights the burden of these diseases, particularly on women, and examines the complexities of clinical trials. Additionally, Costenbader emphasizes the importance of mentorship in research and the value of effective communication in science.