Did the Mona Lisa have syphilis?
Others will know better than I but I’d doubt it.
Is this why Del Giocondo needed snail water? If so, it is possible she wanted it for someone other than herself. In any case, her recorded purchase was more than a decade after she posed for Leonardo. But suppose she already had a sexually transmitted disease in 1503. What would that say about Leonardo’s most famous painting?
In those first couple of decades of the arrival (perhaps irruption) of syphilis in Europe it was horribly, hugely, virulent. Noses fell off within months of infection. Death was swift.
It’s only later that it became a chronic disease that might take decades to kill.
I could believe someone in 1703 living a decade with syphilis, could believe, possibly, 1603, but 1503 seems most, most, unlikely.