Ecstasy and Ketamine are the latest common substances of abuse. Arming yourself with knowledge about drug abuse will help you avoid being misled by others. Drugs for medical use can become harmful if overdosed (e.g. cough medicine). Cough medicine abuse seems less significant than the danger of amphetamines, but in fact they are just as harmful: possibly leading to drug addiction and even death.
FAQ on drugs gives full explanations on drug abuse. A drama series called “Drug File ADF” [Chinese version only] has been produced based on some real-life experiences of drug addicts. Furthermore, ways to say "NO" offers tips on dealing with temptation. If needed, do not hesitate to seek assistance from drug treatment and rehabilitation service as soon as possible.