Marijuana: Pharmacology and Interaction with the Endocannabinoid System

Substance Abuse and Addictive Disorders
Jenny L. Wiley

Jenny L. Wiley

Virginia Commonwealth University, Richmond, Virginia

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Billy R. Martin

Billy R. Martin

Virginia Commonwealth University, Richmond, Virginia

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First published: 02 March 2007

Abstract

Marijuana is one of the most widely used illicit psychoactive substances in the U.S. Recently, negative perceptions of marijuana as an abused substance have been tempered somewhat by the idea that it may also have medicinal properties. Regardless of perception of marijuana, however, investigation of its active substituents and their mechanism of action led to the discovery of an endocannabinoid system that is activated by marijuana as well as by several endogenous cannabinoids, including anandamide and 2-arachidonylglycerol. In this chapter, we review the pharmacology of marijuana and discuss how its interaction with the endocannabinoid system may have implications for understanding the physiology of this system.

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