Hallucinogen Persisting Perception Disorder - 5CAST with Andrew Callaghan (#4) feat. Dr. Wesley Ryan

In this episode, we'll discuss the under-researched neurological condition referred to as Hallucinogen Persisting Perception Disorder (H.P.P.D) and sit down with Dr. Wesley Ryan, MD, a licensed psychotherapist and published authority on the positive benefits of Ketamine therapy.