Various other historians provide different theories: Bernardino Ramazzini (1700), in his De morbis artificum, noted that painters at the time generally led "sedentary lives and melancholic disposition" and often worked "with mercury- and lead-based materials."
Outros historiadores defenderon teorías diferentes: Bernardino Ramazzini (1700), na súa obra 'De morbis artificum' ', indica que os pintores daquela época xeralmente levaban «vidas sedentarias e tiñan un carácter melancólico» e a miúdo traballaban «con materiais a base de mercurio e de chumbo».