Dr. Edward Calabrese on the Science of Environmental Danger Alex November 22, 2016 On this episode, Alex interviews Dr. Edward Calabrese, professor of toxicology at the Department of Environmental Health Sciences in the School of Public Health at the University of Massachusetts at Amherst, about the linear no-threshold dose-response model, which regulatory agencies use to set pollution standards, and his findings about a more realistic “hormetic” response model that could improve regulatory standards and human health if adapted. Subscribe to Power Hour on iTunes