Acid Flashbacks

<strong>Acid Flashbacks:</strong> Are acid flashbacks real or are they merely a ghost story of psychedelic culture or anti-drug messaging? In this episode of Stuff to Blow Your Mind, Robert and Julie discuss the misconceptions as well as the real science of Hallucinogen Persisting Perception Disorder or HPPD. <em>Image credit: David Crausby/Flick/Getty</em>

Image credit: David Crausby/Flick/Getty

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Topics in this Podcast: Hallucinations, acid, neuroscience, drugs, psychedelics