For anyone who really wants to explore the background to and implications of the latest breast cancer screening debate, check out the Respectful Insolence blog. This is written by an oncologist of very skeptical character. He has covered current events thoroughly in recent posts, and he also had a good series of two posts back in 2007 which explain very well the issues involved in improving the detection of early stage cancer.
He notes, among other things, that one autopsy study found that nearly 100% of 50-year-old men have thyroid cancer, but only about 0.1% of men ever develop any symptoms from the disease.
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