Erowid
 
 
Plants - Drugs Mind - Spirit Freedom - Law Arts - Culture Library  
   
hppd
Review Erowid at GreatNonprofits.org
Help us get 25 reviews! And spread the word that accurate info about psychedelics and other drugs improves health, culture, and policies.
Hallucinogen Persisting Perceptual Disorder (HPPD)
Sometimes called 'Flashbacks'