McMaster University

Demystifying Medicine
Seminar Series

Marijuana | Cannabis | THC

There are both potential therapeutic uses for and potential
health risks of using cannabis (marijuana). A chemical called
delta-9-tetrahydrocannabinol (THC) is responsible for the way your brain and body respond to cannabis. While it is used by some for therapeutic purposes, there are short- and long-term physical and mental health effects that can be harmful.

Health Canada

Canada and Cannabis: In the Wake of Legalization

Video about marijuana legalization

This video demystifies unfounded conjecture surrounding the topic of cannabis legalization.

[Click to view video about marijuana (cannabis) legalization]

Misconceptions about Marijuana

Video about misconceptions about marijuana

This video addresses common misconceptions about marijuana including the adverse side effects as well as whether the use of marijuana can help alleviate the symptoms of some diseases.

[Click to view video about misconceptions about marijuana]

What is Marijuana?

Video about marijuana effects

This video looks at both positive and negative effects of marijuana on the body.

[Click to view video about marijuana effects]

Medical Marijuana: Harmful or Helpful?

Video about medical marijuanal

This video explains what medical marijuana is, the difference between commonly studied cannabinoids (THC and CBD) and provides information about risks and side effects.

[Click to view video about medical marijuana]

THC Stays in Your System for 30 Days!

Video about THC

This video demystifies the myth that tetrahydrocannabinol (THC) — the principal psychoactive constituent of cannabis (marijuana) — stays in your system for 30 days.

[Click to view video about THC]