http://www.helium.com/knowledge/261672-short-and-long-term-side-effects-of-hallucinogens.xml Helium.com > Prescription & Medication > Hallucinogen side effects en-us Copyright Helium.com Tue, 04 Aug 2009 05:02:09 GMT Tue, 04 Aug 2009 05:02:09 GMT