Again, this is rather speculative. In terms of what is hypothetical, of course you could add any substance you wish to any drug to make it more addictive or more psychoactive for the user.
On May 6th, 2014. See this statement in context.
On May 6th, 2014. See this statement in context.
Chief Executive Officer, Canadian Centre on Substance Abuse
Again, this is rather speculative. In terms of what is hypothetical, of course you could add any substance you wish to any drug to make it more addictive or more psychoactive for the user.
See context to find out what was said next.