What I mean, is that normally, people go to the doctor and hospital for a whole host of reasons, and if the doctor never says "actually, that's nothing to worry about" or "the test was negative" then either maybe you're not going to the doctor enough, or your overall health is so bad you never get "good news" from the doctor when you go there.
But then I remembered that most people here are Americans, and you (if you're American, I'm assuming here) don't go to the hospital/doctor just because, as it costs so much, compared to the life I'm used to, where whenever there is a health worry, you go to the doctor/hospital and they say "don't worry, it's fine" most of the time.
