Dr Rachel Yehuda, professor of psychiatry and neuroscience and director of the Center for Psychedelic Psychotherapy and Trauma Research at the Icahn School of Medicine at Mount Sinai in New York and also the director of mental health at New York's James J. Peters Veterans Affairs Medical Center joins us on the 21st anniversary of 9/11 to talk about the psychological effects of 9/11 on those caught up in it.
Photo: AFP