Is MAV a lifelong illness?

I’m wondering if MAV will eventually go away as you age. I believe migraine headaches go away as you get older.

Also, do any of you know if I am able to find a medication(s) that helps me, does that mean I will be on that med forever? Do you try to taper off of the meds every so often to see if your symptoms re-appear?

Thanks for your replies.