Does Early/Invasive Screening for Glandular/Intestinal Cancers Extend Lives?

Vern Scott
7 min readJan 19, 2023

It all sounds good, the medical establishment does varieties of early screening for breast/thyroid/prostate/colon cancer, some sort of red flag goes up resulting in a biopsy, and you get the supposed life-saving surgery. However, there is growing evidence that these invasive early detections create their own risks, and do not actually prolong lives. Meanwhile, less invasive detections (mostly bloodwork and genetics) are emerging, and most cancer reduction seems headed to the prevention/vaccine/immune boosting/genetic modification route.

Colonoscopy…ouch! And it may not even help extend your life better than a simple stool sample (ew!)

When you’re a male and turn 50, your medical life changes immensely. Get ready for intensive interest in your colon, thyroid, and prostate (with frequent probes up the wazoo), while females can look forward to the same with booby smashing and vaginal speculi, with fewer booty probes. Yet recent Scientific evidence keeps rolling in to the general theme of many false positives, unnecessary surgeries with risks, and less overall efficacy or life extension. It is as though the real dangerous cancers (around 15% of those suspected, my estimate) are so aggressive they’re going to get you anyway, while you’d have been better off ignoring the 85% that weren’t going to hurt you even without intervention. Meanwhile, great strides are being made in prevention (mostly not smoking and drinking…

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Vern Scott
Vern Scott

Written by Vern Scott

Scott lives in the SF Bay Area and writes confidently about Engineering, History, Politics, and Health