Everyone gets anxious at times, but how can you tell when worrying and fear crosses the line and needs attention? Dr. Jen Gunter introduces a special part of the brain called the amygdala and shares the science behind your brain's threat-detection system, what causes it to malfunction and the most effective ways of treating an anxiety disorder. For more on how your body works, tune in weekly for her podcast Body Stuff, from the TED Audio Collective: http://tedtalks.social/bdjgv [Made possible wi