Erowid
 
 
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Fundamental #13: Note changes in health over time
that may be related to psychoactive drug use.
Cannabis
Statistics
by Erowid
Lifetime Use of Cannabis by US High School Seniors
47.3 52.8 56.4 59.2 60.4 60.3 59.5 58.7 57.0 54.9 54.2 50.9 50.2 47.2 43.7 40.7 36.7 32.6 35.3 38.2 41.7 44.9 49.6 49.1 49.7 48.8 49.0

RELATED RESOURCES #
Other Statistics #
2011 Research Showing Cannabis Use Reporting Higher in US States with Medical Marijuana Laws
Drug Use Statistics Vault


RELATED OFF-SITE RESOURCES #
TRADE, SALES, AND MARKET #
Marijuana Distribution Relies Primarily on Generosity of Friends and Family, March 19 2007, CESAR