Dr. John Krystal is McNeil Professor and Chair of Psychiatry at Yale and Yale-New Haven Hospital. He studies the neurobiology and treatment of psychiatric disorders. He directs the Yale Center for Clinical Investigation, Center for the Translational Neuroscience of Alcohol, and Neuroscience Division of the National Center for PTSD.

Today on the show we discuss: The biggest risks people are overlooking with cannabis, why cannabis can be harmful for the brain and increase your risk of psychosis or schizophrenia, Dr. Krystal’s thoughts on how cannabis impacts mental health and PTSD, why maintaining a healthy lifestyle is so important for your mental health, why cannabis is so addictive, whether or not the brain can heal itself after coming off cannabis and much more.

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If you are in crisis or you think you may have an emergency, call your doctor or 911 immediately.

If you do not have a health professional who is able to assist you, use these resources to find help:

Emergency Medical Services—911

If the situation is potentially life-threatening, get immediate emergency assistance by calling 911, available 24 hours a day.

National Suicide Prevention Lifeline, 1-800-273-TALK (8255) or https://suicidepreventionlifeline.org.

SAMHSA addiction and mental health treatment Referral Helpline, 1-877-SAMHSA7 (1-877-726-4727) and https://www.samhsa.gov

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