Possible Causes And Complications Of Inflammatory Bowel Disease

Bacteria Or Viruses

Researchers aren't fully sure what causes inflammatory bowel disease. One theory, though, touched on earlier, is the condition is caused by an immune system malfunction that occurs when the body is invaded by bacteria or viruses. As the immune system attempts to fight off this virus or bacterial infection, it undergoes an abnormal response that causes it to attack the digestive tract's cells. Even when a viral or bacterial infection isn't present, individuals may develop inflammatory bowel disease when their immune system reacts incorrectly to their commensal bacteria. This natural bacteria live in the digestive tract and help with overall digestion. When the immune system attacks the commensal bacterial, this leads to a loss of bacterial diversity in the intestine. There are also changes that occur in the types of bacteria present.

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