Who knows and if it is who is going to admit to it?
Realistically, no employer would admit to not hiring someone on account on their previous medical history, unless they fancy paying out on compensation after being fined by an industrial tribunal.
Not much help, I realise that but as I said this is one where you have to make up your own mind and take the plunge into the direction which you feel most comfortable with and which you can stand by in years to come.
At times in life we have to take a decision based on the information you have at the time and may be with hindsight we look back and say, well if I had known what I know now I would have done something different. But that is hindsight.
Best of luck with whatever you decide.
FD