Document Outline
Contents
1. Introduction
The Plant
Consumption of Cannabis Preparations for Their Psychoactive Effects
Smoking
Eating and Drinking
A Brief History
2. The Pharmacology of THC, the Psychoactive Ingredient in Cannabis
Man-Made Cannabinoids
Structure–Activity Relationships for Cannabinoids
Cannabinoid Antagonists
How Does THC Get to the Brain?
Smoking
Oral Absorption
Other Routes of Administration
Elimination of THC from the Body
How Does THC Work?
Discovery of Naturally Occurring Cannabinoids
Biosynthesis and Inactivation of Endocannabinoids
Interaction of Cannabinoids with Other Chemical Messenger Systems in the Brain
Some Physiological Effects of THC and Anandamide
Heart and Blood Vessels
Suppression of Immune System Function
Sex Hormones and Reproduction
Pain Sensitivity
Motility and Posture
The Billy Martin Tests
3. The Effects of Cannabis on the Central Nervous System
Subjective Reports of the Marijuana High
Laboratory Studies of Marijuana in Human Volunteers
Effects on Psychomotor Function and Driving
Higher Brain Function, Including Learning and Memory
Comparisons of Marijuana with Alcohol
Where in the Brain Does Marijuana Act?
Functional Neuroanatomy of Cannabinoid Receptor CB-1 in the Brain
What Can Animal Behavior Experiments Tell Us?
Does Repeated Use of Marijuana Lead to Tolerance and Dependence?
4. Medical Uses of Marijuana—Fact or Fantasy?
The Modern Revival of Interest in Cannabis-Based Medicines
The Synthetic Cannabinoids
Dronabinol (MarinolĀ®)
Nabilone (CesametĀ®)
What are the Medical Targets for Cannabis?
Nausea and Vomiting Associated with Cancer Chemotherapy
AIDS Wasting Syndrome
Pain
Multiple Sclerosis
Glaucoma
Epilepsy
Bronchial Asthma
Mood Disorders and Sleep
Conclusions
5. Is Cannabis Safe?
Toxicity
Acute Effects of Cannabis
Effects of Long-Term Exposure to Cannabis
Cannabis in Pregnancy
Cannabis and Mental Illness
Special Hazards of Smoked Marijuana
Marijuana Smoke and Smoking Behavior
Effects of Marijuana Smoke on the Lungs
Marijuana Smoking and Lung Cancer
Can Smoking Marijuana be Recommended for Medical Use? Are There Alternative Delivery Systems?
Comparison of the Health Risks of Cannabis with Those of Alcohol and Nicotine
Alcohol
Tobacco
Summary of the Conclusions Regarding the Medical Uses of Cannabis
6. The Recreational Use of Cannabis
Prevalence
How Is Cannabis Consumed and Where Does It Come From?
Patterns of Recreational Use
What Are the Effects of Recreational Cannabis Use?
The Potency of Illicit Marijuana
Is Marijuana a "Gateway" Drug?
Do Recreational Marijuana Users Become Dependent?
Forensic Testing for Cannabis — Growth Industry of the 1990s
Snapshots of Cannabis Use Around the World
India and Pakistan
Nepal and Tibet
Southeast Asia
Africa
Caribbean and Latin America
Conclusions
7. What Next?
A Hundred Years of Cannabis Inquiries
The Indian Hemp Drugs Commission Report (1894)
Mayor La Guardia's Report on "The Marijuana Problem in the City of New York" (1944)
The Wootton Report, England 1968
Report Followed Report
The Dutch Experiment
The Campaign for Medical Marijuana
What Promise Does Cannabis Research Hold?
Historical Changes in Attitudes to Psychoactive Drugs
Opium
Cocaine
Tobacco
What Are the Likely Outcomes in the Twenty-First Century?
References
Index
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