https://my.clevelandclinic.org/health/articles/7040-gastrointestinal-diseases
Gastrointestinal Diseases: Symptoms, Treatment & Causes
Apr 13, 2026 - Gastrointestinal diseases affect the gastrointestinal (GI) tract from the mouth to the anus. Examples include diarrhea and GERD. There are two types:...
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