But then, aren't symptomless screenings also discouraged? Because many screenings have risks of false positives, and you end up having to do more (possibly dang

But then, aren't symptomless screenings also discouraged? Because many screenings have risks of false positives, and you end up having to do more (possibly dangerous/invasive) screenings as well as stress out about it needlessly? In particular, this is often brought up when preventative cancer screening is discussed.