Toxoplasmosis does a whole host of negative things, but a few that could be considered positive, e.g. "Toxoplasma-infected male students are about 3 cm taller t

Toxoplasmosis does a whole host of negative things, but a few that could be considered positive, e.g. "Toxoplasma-infected male students are about 3 cm taller than Toxoplasma-free subjects and their faces are rated by women as more masculine and dominant." (https://jeb.biologists.org/content/216/1/127 https://jeb.biologists.org/content/216/1/127)