Mind control in your very own cat litter tray.
Meanwhile, two Turkish studies have replicated his studies linking Toxoplasma to traffic accidents. With up to one-third of the world infected with the parasite, Flegr now calculates that T. gondii is a likely factor in several hundred thousand road deaths each year. In addition, reanalysis of his personality-questionnaire data revealed that, just like him, many other people who have the latent infection feel intrepid in dangerous situations. “Maybe,” he says, “that’s another reason they get into traffic accidents. They don’t have a normal fear response.”
Toxoplasmosis normally gets into rats, where it manipulates the dopamine levels in the brain in such a way that the rat becomes more likely to be eaten by a cat, thus transferring the parasite back to a venue where it can reproduce. Likewise, it's supposed to make humans more reckless, anti-social, and generally indifferent to themselves.
I couldnlt help thinking when reading this, that if this parasitic effect is eventually proved, it will almost certainly be weaponised.