Basically.. lots of things can be found by a test (say a slow or non-growing tumor) that the risk of removing them is > than the risk of leaving them alone.
Of course doctors are paid for doing work not for leaving it alone, so which do you think they will choose?
Here is a good article I read today on the topic:
http://www.newyorker.com/magazine/2015/05/11/overkill-atul-g...
Basically.. lots of things can be found by a test (say a slow or non-growing tumor) that the risk of removing them is > than the risk of leaving them alone.
Of course doctors are paid for doing work not for leaving it alone, so which do you think they will choose?