Toward a Global View of Alcohol, Tobacco, Cannabis, and Cocaine Use: Findings from the WHO World Mental Health Surveys

1 July 2008
Degenhardt, L. et al.
PLOS Medicine

Taken from the first 17 countries to participate in the World Health Organization’s (WHO), World Mental Health (WMH) Survey Initiative finds that drug use is not distributed evenly across the globe and is not purely related to drug policy. Stricter user-level drug policies did not correlate with lower levels of use.