Really? Cancer Screening Doesn't Save Lives?!

If you’re my age or older, and you’re, like me, something of a rule follower – then you’re getting screened for various cancers.
Colonoscopies, mammograms, cervical cancer screening, chest CTs for people with a significant smoking history. The tests are done and usually, but not always, they are negative. And if positive, usually, but not always, follow-up tests are negative, and if they aren’t and a new cancer is diagnosed you tell yourself – well, at least we caught it early. Isn’t it good that I’m a rule follower. My life was just saved.
But it turns out, proving that cancer screening actually saves lives is actually quite difficult. Is it possible that all this screening is for nothing?


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