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Driving high is a criminal offence, how long cannabis effects last and info about being impaired by cannabis in the workplace.

People impaired by a drug are not safe drivers because of the effects of drugs on the body. Impaired drivers put everyone at risk including others on the road, pedestrians and their own passengers.

Services and information: Growing cannabis at home, consuming cannabis, safety, storage, possession limits.

Contrary to popular belief, people can become addicted to cannabis. Continued, frequent and heavy cannabis use can cause physical dependency and addiction.

The flowers and leaves of the cannabis plant are used for their ability to cause effects on the mind. The long-term effects of cannabis on your brain can include an increased risk of addiction.

Learn about the effects of cannabis on mental health and brain development.

Get the current facts about using cannabis for non-medical purposes during pregnancy and the health effects it can cause a growing child.

Health Canada collects and publishes data on cannabis used for medical purposes under the Cannabis Act, the Cannabis Regulations, and the Cannabis Tracking System Order. Additional data on cannabis is available on the cannabis research and data page. In particular, the amount of cannabis sold for medical purposes is published on a quarterly basis and is available on the cannabis market data page.

The Cannabis Act came into force on October 17, 2018. Since that date, new regulations have replaced the Access to Cannabis for Medical Purposes Regulations (ACMPR). Some changes have been made to improve patient access.

While cannabis is legal in Canada, illegal products are still being sold and consumed in Canada. Learn to recognize the differences between legal and illegal cannabis, and find out why it matters.