Monkey, you got it just about right, according to this study on IQ and pot smoking. Pay attention to the number of joints you smoke a week- it can make a big difference. http://www.cmaj.ca/cgi/content/abstract/166/7/887 --Kids, this study is a classic! Everyone who ever expects to hear the "it rots your brain" arguement, should have this little gem stashed for just such an occation.