> I'm guessing, since they don't state it clearly, that the combined rate of all cancers is falling, it's only when you look at subsets that it's rising. Sound

> I'm guessing, since they don't state it clearly, that the combined rate of all cancers is falling, it's only when you look at subsets that it's rising. Sound's like Simpson's paradox: https://en.wikipedia.org/wiki/Simpson%27s_paradox https://en.wikipedia.org/wiki/Simpson%27s_paradox