Analyzing data from the US and 36 European countries, Lloyd Johnston and colleagues found lower percentages of US teens reported drinking alcohol and smoking tobacco than did European teens. For alcohol the rates were 27% and 57%; for tobacco the rates were 12% and 20%, respectively. Johnston says “the use of illicit drugs is quite a different matter,” with American teens out-consuming European teens on marijuana, hashish, LSD, ecstasy, and amphetamines.

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