The common counter-point is that more invasive tests are more likely to find issues, but that's not the same as being useful. A very controversial test is the (

The common counter-point is that more invasive tests are more likely to find issues, but that's not the same as being useful. A very controversial test is the (highly invasive) pap smear. I don't take a firm view on the subject, but it does seem to be a complicated subject with valid points on both sides. https://en.wikipedia.org/wiki/Pap_test#Effectiveness https://en.wikipedia.org/wiki/Pap_test#Effectiveness