Mona Lisa Syndrome

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According to medical historians, the Mona Lisa smile should be called La Giaconda grimace. For years, Crohn’s disease was favoured as the trigger for the pained look. More recently, the money is on muscle contracture after facial nerve—Bell's—palsy


Mona, subject of world-famous painting by Leonardo Da Vinci, known for her smile.
Mona Lisa syndrome - contracture of facial muscle, associated with Bell palsy.