There was no causality established by any study cited in this article. The author clearly does not understand the concept of causality, or realize that the very study he cited disclaims causality explicitly.
Decriminalizing marijuana is good public policy, because most of the harm associated with using marijuana is due to the legal status of the substance, not the effects of using it. Cannabis ought to be legal and taxed like other drugs. Of course, this would lead to a massive reduction in the supply of prisoners for the prison industrial complex, which is not popular with law enforcement types.
There is no cogent argument provided here for maintaining the current expensive and counterproductive policy on cannabis. It is wrong and wrongheaded.
Peace.
DS
