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Substances
CCSA conducts research, brings together knowledge and develops resources on substances to support evidence-based decisions and actions for policy, practice and use. Delve into key resources on commonly used substances, such as alcohol, cannabis, opioids, stimulants and psychedelics. Learn about their effects, usage patterns, associated health and social consequences, and harm reduction considerations.

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Alcohol
Alcohol is the most commonly used substance in Canada, and understanding its impacts is key to reducing risks. CCSA conducts research, shares knowledge, and develops resources to support evidence-based policies and practices.
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Cannabis
Cannabis is the second most commonly used substance in Canada, legalized in October 2018. CCSA conducts research and provides resources to support evidence-based cannabis policies and practices.
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Cocaine
Cocaine use has high health and social costs, making it important to understand its impacts. CCSA synthesizes evidence to support informed policy and practice decisions.
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Methamphetamine
Methamphetamine use is low in Canada, but its availability and associated harms have risen significantly since 2013. CCSA provides research and resources to support evidence-based policies and practices to reduce risks.
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Opioids
Opioids exist in both pharmaceutical and non-pharmaceutical forms, commonly used for pain treatment but also for non-medical purposes. Fentanyl and its analogues are the most widely available opioids in Canada's unregulated drug supply.
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Substance Use in Canada Series
Since 2005, the Substance Use in Canada series has highlighted key substance use issues and recommended actions for policy and practice. Guided by CCSA’s Scientific Advisory Council, the reports provide evidence-based insights for policymakers, researchers, educators, and healthcare professionals, with the series name updated to reduce stigma.
Get to know our team of experts
Miguel Andres Hernandez-Basurto, MPH
Senior Knowledge Broker
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Katarina Kane, MSc
Research and Policy Analyst
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Pam Kent, PhD
Director, Research and Emerging Trends
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Samantha King, PhD
Research and Policy Analyst
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Christine Levesque, PhD
Research and Policy Analyst
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Raadiya Malam, MPH
Research and Policy Analyst
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