Dr. Edward M. Phillips, MD, Co-author of ACSM’s Exercise is Medicine A Clinician’s Guide to Exercise Prescription; Director, Outpatient Medical Services, Spaulding Rehabilitation Hospital Network, Assistant Professor, Department of Physical Medicine and Rehabilitation, Harvard Medical School Assistant Physiatrist, Massachusetts General Hospital Adjunct Scientist, Jean Mayer, USDA Human Nutrition Research Center on Aging, Tufts University