The study referenced in the above article cited four previous scientific studies that "supported the cannabis gateway hypothesis of cannabis as a steppingstone toward abuse of other drugs".
Do you have one study that shows milk as a steppingstone to heroin use?
Smarta$$ troll wasting bandwidth and my time.
The study referenced in the above article cited four previous scientific studies that "supported the cannabis gateway hypothesis of cannabis as a steppingstone toward abuse of other drugs".
If it's a matter of the post user's addictive personality making it more likely for him to move on to another drug, then it's not clear that reducing post use would have any effect, since the addictive personality would remain.