 He then moved to Emory as department chair.From 1985 on, he contributed substantially in developing the concept of a Paleolithic diet and its impact on health, publishing along with Stanley Boyd Eaton, and later also with his wife Marjorie Shostak and with Loren Cordain.He has held grants from the National Institute of Mental Health and National Science Foundation, and has been a fellow of the Center for Advanced Study in the Behavioral Sciences, the John Simon Guggenheim Memorial Foundation, and the Social Science Research Council, and the Foundations Fund for Research in Psychiatry.