Not that many at the moment, considering that it's an illegal substance and <2% of the population consumes weed monthly (<0.2% daily), meaning that it's consumed a lot less than cigarettes (approximately 12% of the population between 20 and 64 smoke daily). It's also primarily used by young people here, meaning that long-term effects are not yet visible. But obviously there are health factors to consider with smoking weed (heart infarcts, lung issues/cancer, mental health issues, etc) that will be subsidized by the rest of the society. I'm also concerned about the affects of weed on driving if it becomes legal and its consumption increases, as alcohol is involved in every fourth fatal car accident and weed increases risk factors for car crashes.