Book excerpt: Does Ecstasy cause brain damage? Why is crack more addictive than cocaine? What questions regarding drugs are legal to ask in a job interview? When does marijuana possession carry a greater prison sentence than murder? Illegal Drugs is the first comprehensive reference to offer timely, pertinent information on every drug currently prohibited by law in the United States. It includes their histories, chemical properties and effects, medical uses and recreational abuses, and associated health problems, as well as addiction and treatment information. Additional survey chapters discuss general and historical information on illegal drug use, the effect of drugs on the brain, the war on drugs, drugs in the workplace, the economy and culture of illegal drugs, and information on thirty-three psychoactive drugs that are legal in the United States, from caffeine, alcohol and tobacco to betel nuts and kava kava.