About the author

By Arthur C. Guyton, MD, Professor Emeritus, Department of Physiology & Biophysics, University of Mississippi Medical Center, Jackson, MS and John E. Hall, PhD, Arther C. Guyton Professor and Chair Department of Physiology and Biophysics Director, Mississippi Center for Obesity Research Director, Cardiorenal and Metabolic Diseases Research Center University of Mississippi Medical Center Jackson, Mississippi, USA