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Is a Colonoscopy Worth the Risk?

By Dr. Joseph Mercola | October 16, 2019

… A real risk of undergoing an endoscopy of any nature is chance of improper sterilization of the flexible scope. David Lewis, Ph.D., and I discuss this in the short video above. One issue is the inability to thoroughly clean the inside of the scope.

Lewis describes a problem that he states is commonly experienced by physicians. During the examination the physician may be unable to see through the scope and is unsuccessful in the attempt to flush it using the air/water channel as it is clogged with human tissue from a past exam.20 The scope must be retracted and another one used.

Since endoscopes have sensitive equipment attached, they cannot be heat sterilized. … continue

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