The real question is "who cares?". Despite the fact that the study is questionable, is it really a big deal that heavy, long term cannabis users can't remember as many words as non-smokers? Oh my, that will have REAL detrimental effects on the quality of your life!

And what I hate most about these studies is that no effect of any drug can be so bad as to warrent losing your job or being thrown in jail over. It just doesn't make any sense. Anyone drug user sent to prison will come out much worse than when he went in.