According to the Associated Press, 27 people died from the high temperatures that gripped New York City last week. How does heat affect the human body? And what can scientists discover about extreme heat by studying soldiers?
Michael Sawka, chief, Thermal and Mountain Medicine Division; U.S. Army Research Institute of Environmental Medicine
Larry Sonna, assistant professor, Division of Pulmonary and Critical Care Medicine, University of Maryland
Larry Kalkstein, senior research fellow; Center for Climatic Research, University of Delaware