Friends, don't dismiss ALL research out of hand. I, personally, believe all drugs should legal because I believe free humans should be able to police themselves. So, if you know something is not good for you, don't do it.
But, People's minds and bodies are different. It would not be unreasonable to assume that there are some people on the planet that should NOT smoke. Just as some cannot drink because of chemical imbalances in the brain or body. If metal illness runs in your family, maybe you should refrain from a very mental drug like canabis.
The problem with this artical and all like it, is it's scare tactic that blows everything up to larger preportions then the science has even proven yet. To the writers: I understand that you hate and/or fear weed. But just report facts without the fucking government hype.