Wonder why someone is so hot-headed most of the times? People infected with a common brain parasite transmitted through the feces of infected cats undercooked meat or contaminated water may be at increased risk of getting involved in road rage new research suggests. In a study involving 358 adults the researchers found that toxoplasmosis a relatively harmless parasitic infection carried by an estimated 30 percent of all humans is associated with an intermittent explosive disorder and increased aggression. ‘Our work suggests that latent infection with the toxoplasma gondii parasite may change brain chemistry in a fashion that increases the risk of