[1] He has conducted research on posttraumatic stress disorder[2] and the relationship between depression and suicide and the acne drug Accutane (Roaccutane, or isotretinoin).
[1] Bremner's brain imaging studies showed smaller volume of the hippocampus in people with post traumatic stress disorder related to childhood abuse or Vietnam combat; he was the first to publish on the topic of that relationship.
He was an expert witness in litigation related to the relationship between Accutane and suicide and depression, including the case of Charles J. Bishop,[3] which he describes in the narrative non-fiction book The Goose That Laid the Golden Egg.
[9] He has also appeared multiple times on CNN's HLN (TV network) and truTV, discussing medical and mental health aspects of crime stories in the news.
[10] He was an active participant in protests related to the Grady Memorial Hospital dialysis crisis of 2009, which contributed to a successful outcome for the affected patients.