Drug policy reform in historical perspective: movements and mechanisms.

The use of psychoactive drugs is regarded by many as a basic human drive, but it is one that induces a variety of societal responses to curb it. The present review examines two aspects of government policy on drugs: first, the influence of social movements on drug policy; and secondly, the choices for constraining drug use as an alternative to total prohibition. Addiction is essentially a repeated behaviour which is viewed as excessive or harmful. As such, it has many similarities with a wide range of human behaviours. With the concept of addiction becoming progressively banalized, there is the possibility of a more natural debate about decriminalization and legalization of drugs in terms of a balance between harm and benefits. The current public debate may create a climate for serious political consideration of the strategies.