In his own scholarship , Dr. Galea is centrally interested in the social production of health of urban populations , with a focus on the causes of brain disorders , particularly common mood-anxiety disorders and substance abuse . He has published extensively about social epidemiology , health inequalities , and the health of vulnerable populations . He has long had a particular interest in the consequences of mass trauma and conflict worldwide , including as a result of the September 11 attacks , Hurricane Katrina , conflicts in sub-Saharan Africa , and the American wars in Iraq and Afghanistan . Dr. Galea has conducted research in 18 countries . This work has been principally funded by the National Institutes of Health , Centers for Disease Control and Prevention , and several foundations . He has published over 800 scientific journal articles , 50 chapters and commentaries , and 13 books , and his research has been featured extensively in current periodicals and newspapers . In 2016 , '' Population Health Science '' was published by Oxford University Press co-authored with Dr. Katherine Keyes
September 11 attacks
September 11 attacks
Sandro Galea