Drugs can rob youngsters of energy and the ability to concentrate and perform. They can lead to a decline of interest in constructive activities and other interests. It's a high price to pay. There are known adverse physical consequences . There are many physical consequences already known to be associated with drugs, and we are learning about more of them every day.
Addiction means loss of control.
Becoming dependent on a drug means loss of control over the use of that drug, which in turn can lead to a loss of control over a lot of other aspects of your life. It can make you feel very badly about yourself. The effects of media messages on youth are conditioned on parents' interactions with their children. This recommendation is based on PDFA creative briefing documents, 1997.