You have to be careful about the false positive rate vs. the incidence. http://en.wikipedia.org/wiki/False_positive_paradox http://en.wikipedia.org/wiki/False_p

You have to be careful about the false positive rate vs. the incidence. http://en.wikipedia.org/wiki/False_positive_paradox http://en.wikipedia.org/wiki/False_positive_paradox . It might not be a good idea to do this kind of widespread screening.