Drugs: A Major Problem In Canadian Society A major problem that exists within Canadian society is the abuse of mind- altering substances. Such narcotics cause not only health problems, but also violent and potentially criminal acts. A mind-altering narcotic can be defined as both the legal and illegal type. The four main categories of drugs are: narcotics, CNS depressants, CNS stimulants, and hallucinogens. Most of these drugs are highly addictive and are usually obtained by prescription or are considered a banned substance and must be purchased illegally. Users of many of the "harder" drugs being abused today also face the possibility of a