Dr. Kelly McGonigal wants to give you an intravenous dose of hope. The pioneering health psychologist, Stanford lecturer and serial best-selling author is back again to share her radical thoughts on how movement affects the brain.

Today, Kelly gets us hopped up on endorphins as we discuss the endless positives of exercise. She explains how exercise can make our brains both more flexible and more resilient, why myokines are the most important proteins you've probably never heard of, and how you can use your body to engage with life.
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