I’m surprised that this is controversial

Recent findings that two-thirds of all cancers are likely due to random chance have brought some surprising pushback. There’s an emotional reason for hoping that it’s all controllable, but that’s simply not likely. Cells mutate at random; the body’s defence systems clear out most of them; but by a second chance, some are missed. Get used to it. Eating your veggies won’t prevent all cancers. Read “On the importance of luck.”