If you choose weed, use tips on this page to reduce risks and avoid negative consequences like “greening out” (over-consumption). To be on the safe side, for certain groups of people and times of life, weed should be avoided.
It’s best to avoid weed if:
Your brain is still developing (until age 25).
You have a history, or family history, of substance use problems or mental illness, especially schizophrenia or psychoses.
You are pregnant:
You are breastfeeding:
If you do choose weed, use as safely as possible to reduce the likelihood of harm. Know when it should be avoided to complete certain tasks properly and safely. Here are some important harm reductions strategies:
Everyone may react differently to weed. If you go all in too fast there is a heightened risk for greening out (feeling sick, paranoid and anxious).
Research shows that using cannabis:
Weed and Driving Do Not Mix!!!
Check out four short gamified videos to understand why.
A message from the government of Canada
Over-consumption means too much THC has been consumed resulting in a “bad high.” Technically, this is a cannabis overdose which can lead to hospitalization or accidents that could cause serious injuries - however, overdose is not quite accurate as its often colloquially used to refer to overdose deaths, and over-consumption of cannabis has never resulted in death.
Edibles are commonly the culprit. People don’t wait to feel the delayed, intense effects of ingested cannabis before they ingest more, or don't really know how much THC is in what they are consuming. Know the signs and what to do:
Signs and symptoms of over-consumption
What to do if you or someone else consumes too much THC?