Cannabis 'I tried marijuana once. I did not inhale.' Next to alcohol, cannabis is probably the most commonly used of all drugs. Recently legalised in Canada, and decriminalised in many other countries, there has long been a debate about how harmful smoking a joint really is. this workshop looks at the cannabis debate, its potential harms, and why its use can be addictive . . . . A history of cannabis use What is the difference between skunk and hashish, and does it matter? Does cannabis have medical uses? Should cannabis be legalised, and if so, why? What are the different types of cannabis, and what are the harms associated with their use? Cannabis use and other substances Is cannabis potentially addictive, and if so, why? THC vs CBD - why does this matter? Positive and negative effects of cannabis use The physical and mental health impacts of cannabis use How do we support someone trying to cease cannabis use? Just because a drug is perceived as relatively harmless, it doesn't mean there are no risks to its use, or that it cannot be classes as addictive. There is plenty of evidence that cannabis use can be problematic for some people, so what do we need to know?