Sep 17, 2012 - Other effects include liver, lung and kidney problems, affected sense of smell, difficulty walking and confusion. Types of drugs include. Psychoactive drugs may be divided into four categories: Depressants: Drugs that decrease alertness by slowing down the activity of the central nervous system (e.g. Heroin, alcohol and analgesics). Stimulants: Drugs that increase the body's state of arousal by increasing the activity of the brain (e.g. Caffeine, nicotine and amphetamines).

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1. Classifications Of Pharmaceutical Drugs

Classifications Of Pharmaceutical Drugs

The Controlled Substances Act was passed in 1970 to help the United States Drug Enforcement Administration (DEA) enforce drugs which could pose a risk to society if used improperly. Under the CSA, a controlled substance is any drug with a potential for abuse;drugs which do not pose an addiction risk are not regulated by the CSA, although they are by other agencies. The CSA was one of the early building blocks in the “war on drugs,” as it gave a law enforcement agency specific powers when it came to the issue of. Under the CSA, a controlled substance falls into one of five schedules, depending on how addictive it is. Drugs are also grouped in five classes: narcotics, depressants,, anabolic steroids, and hallucinogens are all regulated under the CSA. The DEA also monitors the growth, sale, and use of Cannabis sativa,.