Erowid
 
 
Plants - Drugs Mind - Spirit Freedom - Law Arts - Culture Library  
   
hppd
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Help us be a 2020 "Top Rated Nonprofit", and spread accurate info
about psychoactive drugs, health, culture, & policies.
("Share Your Story" link. Needs quick account creation but doesn't verify contact info)
Hallucinogen Persisting Perceptual Disorder (HPPD)
Sometimes called 'Flashbacks'