Product Description: CONCEPTS OF CHEMICAL DEPENDENCY, Ninth Edition, provides comprehensive coverage and the latest information on a full spectrum of substance use disorders and the compounds commonly abused. Topics include the abuse of and addiction to alcohol; how the active agent in marijuana, THC, affects neural growth and development; the emerging body of evidence suggesting a relationship between marijuana abuse and psychotic disorders; the emerging body of evidence suggesting that marijuana is not as benign as it was thought to be a few years ago; and the abuse of cough syrups...read more