Positive effects of marijuana are also seen in medical uses, however (medical marijuana). Marijuana is legal for some medical treatments in Canada and in parts of the US and Europe. Medical use exploiting the positive effects of marijuana has been around for thousands of years. Positive effects of marijuana commonly used for medical benefit include:
- Decreasing of inner-eye pressure
- Pain reduction
- Nausea and vomiting suppression
- Appetite stimulation
- Cancer - specifically the pain, nausea and vomiting associated with cancer treatment
- Chronic pain - strong evidence for use in cases where other pain medications aren't working
- Multiple sclerosis (symptoms) - strong evidence for use for pain, muscle spasm and urinary problems
- Glaucoma - due to marijuana's ability to reduce ocular pressure