5 F’s Mnemonic for Gallstone Risk Factors (Cholelithiasis)



F - Fat (BMI > 30) - Increased liver cholesterol synthesis

F - Female - Estrogen increases cholesterol synthesis

F - Fertile - Women age 20-40 at highest risk (Estrogen)

F - Forty - Risk peaks Age > 40 (men and women together)

F - Fair-skinned - More common in European descent



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