My situation was crazy. I was denied insurance right before the ACA took effect because of a "preexisting condition" that I never thought about. I have what for all intents and purposes is very mild cerebral palsy. As an adult, I've never had any complications, I was in excellent shape - I had been a part time fitness instructor for years and ran two half marathons the year before. The only noticeable effect of my CP is one of my hands.