Colonoscopy

The Pitfalls of Common Screening Tests

…tests. * Fecal occult blood tests and colonoscopy for colon cancer. Three randomized studies suggest that fecal occult blood tests lower chances of dying from colon cancer by 15 percent to 30 percent. However, false positives are very common. Regarding colonoscopy, the Preventive Services Task Force…

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Useless Medicine Q&As

* Are colonoscopies and other screenings for colorectal cancer worth having? More Advice From Dr. Whitaker * Browse Q&As on all topics * Go to the Useless Medicine Health Center

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Featured Questions & Answers

…* What does it mean if a vitamin is “all-natural”? And is it better? * When should I take my supplements? Useless Medicine * Are colonoscopies and other screenings for colorectal cancer worth having? Vision Health * Are there any natural remedies for pink eye? Weight Loss * How long can…

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Beware CT Scan Side Effects

…medicine” to avert future lawsuits. Also troubling is the upsurge in CT scans as a screening tool for colon cancer (“virtual colonoscopy”), lung cancer and heart problems—as well as full-body scans, which doctors use to look for anything out of the ordinary. These full-body…

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