Consider for a moment just how terrifying it must be to live life as a true believer on the right. Reality is scary enough, but the alternative reality inhabited by people who watch Glenn Beck, listen to Rush Limbaugh, or think Michele Bachmann isn't a joke must be nothing less than horrifying.
Research suggests that conservatives are, on average, more susceptible to fear than those who identify themselves as liberals. Looking at MRIs of a large sample of young adults last year, researchers at University College London discovered that “greater conservatism was associated with increased volume of the right amygdala” ($$). The amygdala is an ancient brain structure that's activated during states of fear and anxiety. (The researchers also found that “greater liberalism was associated with increased gray matter volume in the anterior cingulate cortex” – a region in the brain that is believed to help people manage complexity.) READ MORE