Dynomight: Is “colorectal cancer” rising in “young people”? It is, and not just colorectal cancer, and not all of it is from overscreening. The anonymous author lists many potential causes; I would group all likely suspects under “new substances”, whether in the air we breathe, the food we eat, or in every friggin’ thing we touch. The price we pay for a modern life, eh? Vinay Prasad: Are “healthy people” an endangered species? Speaking of overscreening, Prasad makes a good point about how acc...

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