We are programmed by evolution to be anxious - fear was a lifesaver for early humans! So are why are some 21st-century humans crippled by it? Catherine Pittman, PhD, chair of psychology at Saint Mary's College in Notre Dame, is an expert on how different parts of the brain create and manage anxiety, and how to overcome it. Learn just how fast your amygdala responds to a threat (before we even perceive it), and how your cortex jumps in to process the information. Turns out your amygdala has been watching too much Cortex TV, and you can train your brain to change the channel. Plus... the rare cases of people who are completely "fearless".

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