Should Childhood Trauma Be Treated As A Public Health Crisis? November 12, 2018 Jonathan Purtle, PhD, an assistant professor in the Dornsife School of Public Health, was quoted in a Nov. 9 NPR story, about a new study that shows how the effects of childhood trauma persist and are linked to mental illness and addiction in adulthood. The story aired on a number of NPR affiliates across the country over the weekend. View story