A major entry in the Annals of Zombie Medicine must be screening for prostate cancer in men age 70 and above. Recent events had Nassim Taleb asking whether one could detect aggressive prostate cancer early, and one could, but… Indeed, this kind of screening has been singled out as something not to do for more than a decade, and yet:

Prostate screening in men ≥70 has not reached a 50% reduction in use since the 2012 guideline release.

Meanwhile, a full one-third of adult Americans is not doing the kinds of screening that are recommended, probably because they involve poop.