Dr. Ben Rein: "Why Brains Need Friends"

Michael Smerconish talks with neuroscientist Dr. Ben Rein about his new book "Why Brains Need Friends: The Neuroscience of Social Connection." They explore why human interaction is vital for brain health, what science reveals about loneliness and aging, and how isolation impacts everything from memory to mortality. Dr. Rein explains how social bonds literally shape our brains — and why friendship might be as important to longevity as diet, exercise, or sleep. Original air date 9 October 2025. Book publish date 17 October 2025.