Which ones? I heard heroin?
Mike apparently said steroids were a gateway for heroin because once he lost his fear of using needles, heroin was open territory.
Now before anyone calls BS on this, I think that makes sense. He probably would not have tried heroin if he hadn't previously lost his fear of needles.
A) He was not a Mass monster.
B) I call bullshit. He went down the heroin road (or whatever drugs he took) because he chose to; steroids were in no way to blame. There are tens of thousands of gym rats all across this country who have no fear of needles, whom regularly inject, and whom have no inclination or plan to try heroin.
It’s sad he got hooked on drugs but it’s even sadder when people try to blame someone or something for their own poor choices.

Steroids can be blamed for lots of problems but Mike's drug habit is not one of them.