Only rarely does stool color indicate a potentially serious intestinal condition.
| When to worry about stool color | | | | Stool comes in a range of colors. All shades of brown and even green are considered normal. Stool color is generally influenced by what is eaten and the amount of bile in the stool. If your stool is bright red or black—indicating the presence of blood—seek prompt medical attention. | | Read more |
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| The role of the microbiome in disease | | Our researchers are looking at the role the microbiome plays in cancer, IBD, obesity and infections. | | Learn more |
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| Symptom checker | | Narrow potential medical conditions by choosing a symptom, selecting related factors and then viewing the possible causes. | | Go to Symptom Checker |
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| Make a gift today that will have 5X the impact | | Your gift today will be multiplied five times to accelerate Mayo Clinic’s transformation of healthcare. | | Give now |
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| | | New book on Crohn’s disease and ulcerative colitis | | No matter if you're recently diagnosed, you’ve struggled for several years or you have a child with IBD, this comprehensive, easy-to-understand reference guide offers help and hope. | | Learn more |
| | | Colorectal cancer group | | Connect with people living with colorectal cancer or caring for someone with colorectal cancer, including colon cancer, rectal cancer and anal cancer. | | Read more |
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