U.S. is Tops in Cocaine, Marijuana Use

The U.S. may lag other countries in measures such as education and health, but we’re out in front on cocaine and marijuana use.
Surveys conducted in 17 countries found that 42.4% of Americans have tried marijuana and 16.2% have tried cocaine, according to a paper published this week in PLoS Medicine. On marijuana use, the U.S. [...]