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Although i dont recommend tobacco as in cigarettes, cannabis is a medicine in my opinion for those who need it! The only thing on your list non vegan is a lot of alcohol. Companies use a process where they use Isinglass which is dried fish bladders for clarification process. I dont think many people know that so technically a lot of alcohol is not fully vegan but luckily for us, there are plenty vegan friendly brands out there!

As a nurse who has worked with these WFPB MD's I would tell you they would quote the research that with recreational cannabis use there is an 8% permanent drop in IQ. Something to ponder with a fully cognitive brain.