Doctor Robert ‘Bob’ Lahita is Clinical Professor of Medicine at Rutgers New Jersey Medical School, a Professor at Hackensack Meridian School of Medicine and the Director of the Institute for Autoimmune and Rheumatic Disease St. Joseph’s Healthcare System. He is a fellow of the American College of Physicians, a Master of the American College of Rheumatology, and Fellow of the Royal College of Physicians. Dr. Lahita is the author of more than 16 books and 150 scientific publications in the field of autoimmunity. He is the editor of the standard textbook called Systemic Lupus Erythematosus (about to be in its 6th edition) and the Senior Editor of the Textbook of Autoimmunity, published in 2002. Dr. Lahita is also the Associate Editor of the Journal Lupus and co-editor of the Yearbook of Rheumatology. Dr. Lahita is a reviewer for some 15 medical journals and on the editorial boards of three. In his new book Immunity Strong, Dr. Lahita unpacks one of the most deeply complex and important parts of our body, the immune system. He looks at the factors that improve, and reduce our immunity, what we can do to live longer, healthier lives, and how immunity is linked to some of our most common serious illnesses from cancer to heart disease, chronic fatigue and autoimmune disorders. Dr. Bob Lahita is one of the world’s foremost physicians and researchers, with a deep specialism in immunity, and in this interview, we discuss how our immune system works, what can help it, hinder it, and how we can live longer, healthier lives.