Repeated bacterial infections can add up over time, eventually leading to severe inflammatory disease. Infections that go unnoticed and clear the body without treatment—such as occurs in mild food poisoning—can start a chain of events that leads to chronic inflammation and life-threatening colitis.

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Repeated bacterial infections can add up over time, eventually leading to severe inflammatory disease. Infections that go unnoticed and clear the body without treatment—such as occurs in mild food poisoning—can start a chain of events that leads to chronic inflammation and life-threatening colitis.