That perception changed when a Czech parasitologist named Jaroslav Flegr decided to look for evidence that T. gondii's mind-meddling extends beyond rats. Testing the blood of drivers responsible for causing traffic accidents, he discovered they were two and a half times more likely to have been exposed to T. gondii than the general population. Might these drivers have been unwittingly egged on by a tiny parasite? http://www.guardian.co.uk/science/blog/2011/apr/12/zoology-infectiousdiseases