Youth take risks that most would not take as adults:4 riding roller coasters, driving cars as fast as they can go, or riding bikes and skateboards through dangerous obstacles. Smoking, drinking alcohol, and taking drugs are especially popular forms of risk for teens, in part because they are forbidden activities reserved only for adults and in part because of their effects. Because smoking and drinking are only for adults is sufficient reason to encourage many teens to sample them: If it’s taboo, it must be good.5