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How does fiber in the diet help keep the colon healthy?

Fiber is material that the body has a hard time digesting. So rather than being absorbed into the body, it stays in the bowel and adds bulk to its contents. This bulk gives the colon something to "grab onto" as its muscles contract like a wave, thus making it easier for the colon to empty itself. This prevents constipation.

Another important role of fiber in the colon is to prevent the overgrowth of bacteria. "Friendly" bacteria living inside the colon feed on fiber. Some important byproducts of this feeding are called short-chain fatty acids. These acids make it difficult for too much bacteria to live in your colon.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.