The Next Big Idea Daily

How to Build a Resilient Brain

Published: August 31, 2026

Duration: 26:16

Your brain is remarkably resilient—but modern life doesn’t always make protecting it easy. In Brain Defenders, neurologist David Perlmutter explains how the brain’s immune cells can either preserve cognitive health or contribute to decline—and how everyday choices can influence that balance. Then, in Rewired, psychiatrist and neuroscientist Carl Marci explores what smartphones, social media, and nonstop stimulation are doing to our attention, relationships, and emotional well-being.

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