In a post from December 2015 (“I’m skeptical about … PSA screening”), I borrowed an analogy from Dr. Gilbert Welch, a Dartmouth epidemiologist, who noted that cancers are like animals in a barnyard enclosed by a fence. The goal is to keep them contained. Continue reading
PSA
Update on cancer screening
I read an interesting update on cancer screening today published in the January 2016 issue of the BMJ noting that: “A systematic review of cancer screening trials found that three (33%) showed reductions in disease specific mortality and that none showed reductions in overall mortality.” Continue reading