This chapter dives into the topic of colonoscopy and colon cancer screening, comparing it to other tests like FOBT and FIT. It discusses compliance rates, potential benefits, and the lack of randomized studies on colonoscopy until recently.
Early detection of cancer seems like a very good idea. But it's a lot more complicated than it seems. Oncologist and epidemiologist Vinay Prasad of the University of California, San Francisco talks to EconTalk's Russ Roberts about why many tests to detect cancer do little or nothing to extend lifespan.