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 an eventual overdose. An overdose is the ingestion of a lethal or mind-damaging amount of drugs. Once an full addiction of these drugs occur, the user faces withdrawal symptoms when a discontinuation of a drug transpires. This is due to a reduction of the natural pain-killers that exist in the body of non-drug users. These symptoms include chills, sweating, cramps, headaches, diarrhea and excessive vomiting. The treatment of drug addicts includes an extensive program of detoxification. Medical drugs, such as Naloxone, are sometimes given to patients to aid in overcoming these addictions. These drugs occupy opiate receptors in the brain to block all effects of the damaging drugs, however the Naloxone is not an addictive drug, as the others are. The downfall to the medical drugs being used to help addiction are that there effects are very short-term and cannot cure the patient, but does assist in attaining the goal of substituting a more controllable, less lethal drug as opposed to the original narcotic . The key to preventing substance abuse in Canada is to educate the public, preferably at a young age, never to experiment with potentially life-threating drugs. This education can be attained within the pre-secondary schools. In 1988 prime minister Brian Mulroney announced proposed Canada's Drug Strategy. Laws were enacted, which prohibited the ...