HPPD is a rare clinical condition that results in people experiencing visual and perceptual distortions days, months, or even years after using psychedelic substances.
Hallucinogen Persisting Perception Disorder (HPPD) is a rare clinical condition that results in people experiencing visual and perceptual distortions days, months, or even years after using psychedelic substances. Although HPPD is rare, around 4.2% of people who use hallucinogens will suffer from HPPD. For a full description on HPPD, please click here to read our blog.
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