Sharecare Expert Dr. Harris H. McIlwain, MD, is board-certified in rheumatology and geriatric medicine, specializing in pain-related diseases. He practices medicine in Florida with the Tampa Medical Group and has written 26 books on health, including Diet for a Pain-Free Life, Pain-Free Back, Reversing Osteopenia, Pain-Free Arthritis and The Fibromyalgia Handbook. Town and Country magazine has twice named him one of the Best Doctors in America. Dr. McIlwain has also received the 2011 Patient's Choice Award. He consults with Best Doctor's in America on international cases on fibromyalgia and other areas of arthritis and related diseases.