EDIT: The paper I am referring to is http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(09)61037-0/fulltext?cc=y= http://www.thelancet.com/journals/

EDIT: The paper I am referring to is http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(09)61037-0/fulltext?cc=y= http://www.thelancet.com/journals/lancet/article/PIIS0140-67... Also, it's not like I don't acknowledge the positive effects of cannabis. Just seems like it's best to discuss both the pros and cons of the drug, especially if the conclusions from different researches seem confounding. I thought it was ~proven~ (EDIT: suggested) to lower IQ and the size of the brain for adults with regular use? It seems like the research is very much unclear.