Chapter twelve discusses the variety of substances available and the consequences their misuse has on an individual. Individuals ingesting these drugs focus on the feel good and short-term effects of the substance. There is no real understanding of the detrimental ramifications that will follow. Persistent use can result in substance use disorders as well as tolerance to the substance being ingested. There are various categories such as depressants, stimulants, hallucinogens, and cannabis. Drugs or substances have different effects on the mind and body. The effects of depressants are seen in the central nervous system in the form of reduction in tension and inhibition. Alcohol, sedative hypnotic drugs, and opioids fall in this category. Stimulants
