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May 18th, 2016

But tests often do more harm than good. For every woman whose life is extended because a mammogram detected a tumor, up to 33 receive unnecessary treatment, including biopsies, surgery, radiation and chemotherapy. For men diagnosed with prostate cancer after a PSA test, the ratio is 47 to one. Similar data are emerging on colonoscopies and other tests.

http://blogs.scientificamerican.com/cross-check/dear-skeptics-bash-homeopathy-and-bigfoot-less-mammograms-and-war-more/

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