Is Crohn's Disease Hereditary?

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Genetics contribute to the cause of Crohn’s disease; also know as inflammatory bowel disease (IBD). Immune system disorders and environment act as the other contributing factors to IBD, a chronic inflammation of the intestines (see Reference 3).

Gene Mutation

Inherited gene mutation leaves you vulnerable to developing Crohn’s disease. The mutation prohibits your body from correctly dealing with microbes, substances like bacteria and fungi (see Reference 3).

Risk Factors

IBD is most commonly found in Caucasians and Jews (see Reference 3).


The gene mutation that contributes to the cause of Crohn’s disease can be inherited from immediate family -- parents to biological children (see Reference 3).

Environmental Factors

Environmental factors that help cause IBD include smoking and diet (see Reference 3). People with Crohn’s disease should drink 8 to 10 beverages a day and have a high-fiber diet to help control the disease (see Reference 1).


Typically, Crohn’s disease diagnosis occurs in young adulthood (See Reference 2). IBD appears as often in females as males (see Reference 3).

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