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Marijuana Research

​​​​Clearing the Smoke on Cannabis

The Clearing the Smoke on Cannabis series objectively looks at how marijuana use affects human functioning and development, and discusses implications for policy and practice.

Prepared by expert researchers in the field and peer reviewed, this series of reports explores the impact of:

  • Marijuana on mental health and cognitive functioning, such as memory, attention and thinking;

  • Smoking marijuana while pregnant;

  • Marijuana use on driving; and

  • Marijuana on respiratory functioning.

The series also reviews the evidence on the use of marijuana for medical purposes.

Clearing the Smoke on Cannabis addresses what we know, what we don't know and what needs further investigation​

See the Clearing the Smoke on Cannabis: Highlights​ for an overview.