COSGP National Osteopathic Student Seminar

Presentation by J.D. Polk, D.O., M.S., M.M.M, C.P.E, FACOEP.  Dr. Polk has worked for the United States Department of Homeland Security (DHS) since 2011 and is currently the assistant secretary (acting) for health affairs and chief medical officer. Before working at DHS, he spent seven years in aerospace medicine at NASA.