How Does Cannabis Affect My Health?
Using cannabis can cause both short-term and long-term health effects.
Short-Term Cannabis Use Can:
- Increase your heart rate and blood pressure
- Make your eyes red/bloodshot, as the blood vessels expand
- Cause you to feel drowsy, slow your reaction times, and decrease your coordination
- Make it harder to focus, concentrate, remember, and make decisions
- Cause dizziness, headaches, and vomiting
- Affect your ability to drive or operate equipment
- Change your mood and judgement
Using Cannabis Often (Daily or Near-Daily) Over a Long Period of Time (Months/Years) Can:
- Cause harm to your lungs if inhaled (smoking or vaping). Cannabis smoke contains many of the same toxins found in tobacco smoke
- Cause chronic bronchitis, wheezing, and phlegm
- Trigger severe nausea and repeated vomiting (called Cannabis Hyperemesis Syndrome or CHS)
- Reduce your attention span, and ability to learn and make decisions
- Cause memory loss
- Lead to addiction
- Increase your risk of heart attack and stroke
- Increase your risk for testicular cancer, which could lead to low sperm count and infertility
Cannabis & Mental Health
Using cannabis can:
- Increase your risk for mental disorders like schizophrenia, especially if you have a family history
- Worsen symptoms of bipolar disorder, depression, and anxiety
- Increase your risk for thoughts of suicide and suicide attempts
Learn more about the .
All Forms of Cannabis Have Health Risks
The only way to completely avoid health risks related to cannabis is not to use it.
Cannabis & Your Medications
Cannabis can interact with other medicines you take, which could affect your health. If you choose to use cannabis for medical or non-medical purposes, talk to your health care provider.
Medications that interact with cannabis include:
- ADHD medicine
- Allergy medicine
- Antibiotics and anti-fungal medicine
- Anti-depressants/anti-anxiety medicine
- Anti-seizure medicine
- Blood thinners
- Cold & flu medicine
- Heart medicine
- HIV/AIDS medicine
- Pain medicine
- Sleeping pills
More Information
- - Government of Canada
- - MyHealth.Âé¶¹Ó³»
- - First Nations Health Authority