Drugs Harmfulness: the Source...

Reader Doug S. sends in an online page (free registration required) with the source study for the interesting chart on drugs harmfulness I posted about the other day.  It's a legitimate, published study; their methods are fully described.  After reading it, I'd call this study very interesting support for the proposition that drugs legalization is unlikely to be any more dangerous to society than (the already legal substances) alcohol and tobacco already are...