The reason they are left behind is because the illegality of the substances. If you have two separate organisations, one which you can do what you please, and a

The reason they are left behind is because the illegality of the substances. If you have two separate organisations, one which you can do what you please, and another where you are restricted/tested. You would not have the disparity. What we have now is an underground culture with little knowledge and even less perception. Banning does not work.