Common Terms

We’re here to help simplify complex terms related to substance use and addictions. By breaking down these concepts into easy-to-understand language, we aim to make important information more accessible and clear. Understanding these terms can help reduce stigma, promote informed discussions, and support those affected by addiction in finding the resources and help they need.

Hover over the terms below to see their definitions.

Substances

Commonly called drugs, substances are chemical compounds which can alter mood, perception, or behavior.

This includes legal substances like alcohol and prescription medications, as well as illegal drugs like cocaine, heroin, and methamphetamine. Substances can affect the body and mind in various ways, and their use can lead to physical dependence and addiction.

Behavioral Addiction

A type of addiction characterized by compulsive behaviors that are not related to substance use, such as gambling, internet use, porn or shopping.

Substance Use Spectrum

Substance use is different for everyone and can be viewed on a spectrum with varying stages of benefits and harms.

People use substances for different reasons, including medical purposes; religious or ceremonial purposes; personal enjoyment; or to cope with stress, trauma or pain.

Learn more on the Health Canada website

Substance Use Disorder

A diagnosed medical condition where someone can't stop using a substance even when it affects their quality of life.

Substance use disorders range from mild to severe and from temporary to chronic. Severe substance use disorders are commonly called addictions.

Harm Reduction

Strategies to minimize the negative effects of substance use or addictive behaviour, focusing on minimizing harm rather than solely promoting abstinence.

For example: using a nicotine patch instead of smoking, consuming water while drinking alcohol, using substances in a safe environment with a trusted someone, and needle exchange programs for people who inject drugs.