President Trump has signed an executive order in support of research into whether psychedelic drugs could be used in mental health treatments.

On Today's Show:
Frederick S. Barrett, director of the Center for Psychedelic and Consciousness Research at Johns Hopkins School of Medicine and professor of the Neuropsychopharmacology of Consciousness in the department of Psychiatry and Behavioral Sciences, talks about the use of psychedelics for mental illness and the effects of President Trump's executive order speeding up research.