Read this op-ed on that topic by Marisa Bellack. Here's a short excerpt that gets at her theme:
There was a 19th-century echo in the American Cancer Society’s announcement this past week of revised guidelines for breast cancer screening. Whereas anxiety was once a reason for aggressive medical intervention, it is now invoked to avoid intervention — an argument that is both patronizing and unscientific. There may be good reasons for women in their early 40s to forgo regular mammograms, but this isn’t one of them.