He writes and teaches on the history of madness and mental illness, the history of disability, and the history of the human sciences. He is one of the editors of h-madness (historyofpsychiatry.wordpress.com), a scholarly blog that follows the history of mental health and psychiatry. He is the co-editor and author of numerous books, most recently From Madness to Mental Health: Psychiatric Disorder and its Treatment in Western Civilization (Rutgers University Press, 2010).