On this episode, our guest is Randy Horwitz, MD, PhD, FACP, who is currently the medical director of the Arizona Center for Integrative Medicine at the University of Arizona Andrew Weil Center for Integrative Medicine. Horwitz addresses several Covid-19 issues, including pathophysiology, hypoxia, and identifying the lingering effects of the virus in some patients. About the Expert Randy Horwitz, MD, PhD, FACP, is the medical director of the Andrew Weil Center for Integrative Medicine and a professor of medicine at the University of Arizona College of Medicine. Prior to medical school, he completed his PhD in molecular immunology. Horwitz completed 2 fellowships: one in allergy and immunology and the other in integrative medicine. He is triple board-certified in internal medicine, allergy and clinical immunology, and integrative medicine. Horowitz was elected as the founding chair of the American Board of Integrative Medicine (ABOIM) and is a fellow of the American College of Physicians. He is the author of the textbook Integrative Rheumatology  (Oxford University Press), and he is currently completing Integrative Allergy & Asthma (Oxford University Press), due to be published in 2021.