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Do environmental factors play a role in Crohn's disease?

ANSWER

Environmental factors may help trigger Crohn's disease. Keep in mind that because a potential trigger is linked or associated to a condition does not mean that it causes it. Associated environmental factors may include any of the following:

  • Substances from something you've eaten
  • Microbes such as bacteria or viruses
  • Cigarette smoke
  • Other unknown substances

From: What Causes Crohn’s Disease? WebMD Medical Reference

SOURCES:

National Digestive Diseases Information Clearinghouse: "Crohn's Disease."

Crohn's and Colitis Foundation of America: "About Crohn's Disease."

Merck: (online version): "The Immune Response: Defenses Against Infection." Merck Manual: Home Edition for Patients and Caregivers

American College of Gastroenterology: "Inflammatory Bowel Disease."

Reviewed by Minesh Khatri on October 25, 2017

SOURCES:

National Digestive Diseases Information Clearinghouse: "Crohn's Disease."

Crohn's and Colitis Foundation of America: "About Crohn's Disease."

Merck: (online version): "The Immune Response: Defenses Against Infection." Merck Manual: Home Edition for Patients and Caregivers

American College of Gastroenterology: "Inflammatory Bowel Disease."

Reviewed by Minesh Khatri on October 25, 2017

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How do environmental factors cause Crohn's disease?

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