Gastroenterology explores digestion as both process and pathway — from ingestion to absorption, immunity, and elimination. This chapter examines how disorders of the gastrointestinal tract manifest locally and systemically.

In this deep dive, we move through functional and inflammatory disease, malabsorption, bleeding, and motility disorders. You’ll hear how symptoms often overlap, why pattern recognition matters, and how investigations are used to distinguish structure from function.

This chapter frames the gut as a central mediator between environment and health — responsive, adaptive, and deeply integrated with immune and metabolic systems.

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