![The Discovery Files show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/014/590/small/the-discovery-files.jpg)
Summary: Researchers at the University of Iowa have pinpointed the part of the brain that causes people to experience fear -- a discovery that could improve treatment of post-traumatic stress disorder (PTSD) and other anxiety conditions.
Summary: Researchers at the University of Iowa have pinpointed the part of the brain that causes people to experience fear -- a discovery that could improve treatment of post-traumatic stress disorder (PTSD) and other anxiety conditions.