The medical specialty that studies, diagnoses, and treats diseases of the liver, gallbladder, and bile ducts.
From hepato- (liver, Greek hepar) + -logy (from Greek -logia 'study of' or 'discourse'). The -logy suffix creates terms for academic or medical disciplines devoted to studying particular subjects.
Hepatology emerged as a distinct specialty only in the mid-20th century because before then, liver disease was mostly untreatable—but advances in immunology, virology, and pharmacology gave doctors tools that actually worked, making specialized expertise necessary and valuable!
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