There's improvements with this MS, medication?

When I hear neuros use 100% and Improvements to MS, I see red flags and become a bit cynical.

((My neurologist mentioned that I was 100% certainly not ever going to develop PML. Of course, that was after, while in my last appointment, having another neurologist, a woman, interrupt my appoint to say, in a way I found giddy, Ahh, Dr.*insert name*, did you see that email, wasn't it sooo funny, hehehtehehe" Yeah, I walked out and never went back in..another story another thread))