This message gets teenagers.When Safe Streets, a community group, asked pupils to design their own anti-drug posters, many emphasised cosmetic hazards over chemical ones.

• 一个名为“安全街区”的社区团体让孩子们自己设计反毒海报，许多孩子竟然在海报中强调（掉牙之类）让人不美观的危害要甚于毒品的化学危害。