Although cannabis has been recreationally legalized for people over the age of 18 in Canada, that doesn’t necessarily mean that everyone should begin using it. Much the same way alcohol can negatively impact some people’s health more than others, there are some groups who should be careful when deciding whether to use cannabis or not. This post will outline the negative effects that cannabis can have on vulnerable brains, as well as the different groups of people who should be cautious about their cannabis use.