John Whyte, MD, MPH, an internist and chief medical expert and vice president, health and medical education, at the Discovery Channel. He has served as the medical adviser and director of the Council on Private Sector Initiatives to Improve the Safety, Security, and Quality of Healthcare. He is author of Is This Normal?: The Essential Guide to Middle Age and Beyond (Rodale). www.DiscoveryChannel.com
With all the physical changes that occur as we grow older, it’s tempting to chalk up all our infirmities to…
