This Is Your Brain With Dr. Phil Stieg: Why Brains Need Friends

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Listen here to This Is Your Brain With Dr. Phil Stieg, a podcast that provides a fascinating look into the human brain, with each episode asking new questions — and finding new answers — about our most mysterious organ. Together with his expert guests, Dr. Stieg takes us on a journey that reveals unexpected secrets at every turn, and redefines what we know about ourselves and our place in the world.

The podcast explores the many fascinating aspects of neuroscience, ranging from how the brain is wired for both sudden bursts of violence and the pervasive inner calm of meditation. Where does confidence come from? How do we remember traumatic events – or do we? How do other animals experience consciousness? Does storytelling change our brains?

Take the journey with us as we explore the very foundation of what makes us human.

Originally released: December 26, 2025

We all know the importance of a good diet, sufficient exercise and a good night’s sleep, but there’s one more essential thing we all need to be healthy. Social connection. Simply put, our brains need friends. Neuroscientist Dr. Ben Rein reveals exactly what is happening in our brains when we interact with friends, family, even strangers, and how exactly this affects our physical and mental health… the many benefits of a good social life and the real risks of isolation and loneliness . He also offers simple tips on how we can be more social and to make better use of one of the most powerful, easiest, and cheapest ways to a healthy, happy life. (Hint: Next time you think you are too busy to call or text that friend…pick up the phone and connect).

For more information, transcripts, and all episodes, please visit thisisyourbrain.com

For more about Weill Cornell Medicine Neurological Surgery, please visit neurosurgery.weillcornell.org

We believe that the principles expressed or implied in the podcast remain valid, but certain details may be superseded by evolving knowledge since the episode’s original release date.