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Chapter 14 Opener State initiatives such as the 2012 Oregon Cannabis Tax Act are aimed at decriminalizing or even legalizing the possession and use of small amounts of cannabis
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Figure 14.1 Poster advertising the 1936 film Reefer Madness
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Figure 14.2 Cannabis plants
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Figure 14.3 The potent form of cannabis called hashish
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Figure 14.4 An 8000-year time line of cannabis use around the world
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Figure 14.5 Chemical structure of 9 -tetrahydro-cannabinol (THC)
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Figure 14.6 Mean time course of plasma THC concentrations
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Figure 14.7 Autoradiogram of a horizontal section through a rat brain
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Figure 14.8 Hippocampal CB 1 receptors are responsible for memory impairment
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Figure 14.9 Chemical structures of the endocannabinoids anandamide and 2-arachidonoylglycerol (2-AG)
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Figure 14.10 Retrograde signaling by endocannabinoids
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Box 14.1, Figure A CB 1 receptors are widely expressed in the neural circuitry of the human brain that regulates mood
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Figure 14.11 Food intake and body weight gain are reduced in rats
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Figure 14.12 Role of the endocannabinoid system in extinction of auditory fear conditioning
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Figure 14.12 Role of the endocannabinoid system in extinction of auditory fear conditioning (Part 1)
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Figure 14.12 Role of the endocannabinoid system in extinction of auditory fear conditioning (Part 2)
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Figure 14.13 Reduction in the subjective and physiological effects of smoked marijuana
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Figure 14.14 Time course of plasma THC concentrations
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Figure 14.14 Time course of plasma THC concentrations (Part 1)
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Figure 14.14 Time course of plasma THC concentrations (Part 2)
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Figure 14.15 Oral THC produces a dose-dependent impairment in explicit memory
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Figure 14.16 Acquisition of THC self-administration by squirrel monkeys
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Figure 14.17 Probability of initiating marijuana use as a function of age
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Figure 14.18 Trajectories of marijuana use from the adolescent period to approximately age 37
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Figure 14.19 Desensitization of cannabinoid receptors produced by chronic THC exposure
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Figure 14.20 Time course of overall withdrawal discomfort in heavy marijuana users undergoing abstinence
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Figure 14.21 Time course of relapse to first marijuana use after the first 30 days of treatment
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Box 14.2, Figure A Increased probability of developing psychosis in heavy cannabis users
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