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 has…

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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

…should I take? * 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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The Dangers of CT Scan Side Effects

Computed tomography (CT) is a diagnostic tool that rotates around the body and takes multiple X-rays of targeted organs or areas from various angles. These images are assembled by a computer into 3-dimensional cross sections that provide much greater clarity and detail than ordinary X-rays. CT…

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