Addictive Drugs
18/10/2010
These are chemicals and substances that cause a dependency which can be physical, psychological or both. Addictive drugs can cause changes in the brain and behaviour and potentially lead to loss of control over amounts of drugs used and what the consequences will be. Drugs such as heroin, opiates and alcohol cause physical addiction, and drugs such as cocaine, methamphetamine and marijuana can cause psychological addiction (see addiction).




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