What is cannabinoid hyperemesis syndrome

Many people lost their sense of smell and taste during the early waves of Covid-19. Is there help for those who have yet to recover? CNN Chief Medical Correspondent Dr. Sanjay Gupta sniffs out answers. Plus, a listener warning about a new malady striking some hardcore cannabis users.

Producer & Medical Writer: Andrea Kane

Showrunner: Amanda Sealy

Senior Producer: Dan Bloom

Technical Director: Dan Dzula

Executive Producer: Steve Lickteig

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