Spartan Up! - a Spartan Race for the Mind!

What happens in your brain when you do hard things? Joe De Sena asks Lisa Feldman Barrett Ph.D.

We've been telling you for YEARS to do hard things. Today Joe De Sena, our show host and the founder and CEO of Spartan, asks neuroscientist, psychologist, and University Distinguished Professor, Dr. Lisa Feldman Barrett if we're right. The author of "7 1/2 Lessons About the Brain" and "How Emotions are Made," explains how the brain reacts to stress. How…