Psychotherapists

Harrison Ford costars in the series "Shrinking." Seasons 1, 2 and 3 are streaming on Apple TV, and it's been renewed for a fourth season.

Jazz bassist and psychotherapist David Izenzon returns to Fresh Air to talk about his group Pot Smokers Anonymous, which supports people who abuse marijuana. Terry Gross invites listeners to call in to share their own experiences.

David Izenzon is classically-trained bass player who performs with free jazz pioneer Ornette Coleman. Later in life he became a psychotherapist, and now works to educate people about the dangers of marijuana abuse.

Bassist David Izenzon earned a doctorate later in life and became a practicing psychotherapist. He discusses his jazz career and how he began to help musicians reduce their use of marijuana.