gateway drug

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A readily available mood-modifying drug or substance that is legal, such as alcohol, tobacco, volatile glue, or an illegal but not rigorously policed substance, such as marijuana, that is believed to render people more susceptible than they might otherwise be to use more dangerous illicit and more addictive substances. The concept of gateway drugs posits that they are at one end of a continuum of substances and frequently lead to use and abuse of more dangerous hard drugs. There is little or no convincing evidence to support this concept.

Subjects: Public Health and Epidemiology.

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