Marijuana
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Humans have been consuming cannabis since prehistory<ref name=rudgley1999>Template:Cite book</ref> although in the 20th century there was a rise in its use for recreational, religious or spiritual, and medicinal purposes. It is estimated that about four percent [5] of the world's adult population use cannabis annually and 0.6 percent daily. The possession, use, or sale of psychoactive cannabis products became illegal in most parts of the world in the early 20th century. Since then, some countries have intensified the enforcement of cannabis prohibition while others have reduced the priority of enforcement.
