Heavy ChatGPT use may help short-term tasks—but it can quietly weaken your brain. In this episode, Paul and Matt unpack a new MIT Media Lab study and explain how durable skills act like muscles: neglect them, and they atrophy. They close with a blueprint to keep yours sharp with a few minutes a day. Five Key Learnings: MIT study found weaker brain activity and “cognitive debt” after ChatGPT use. Overreliance on AI dulls critical thinking and originality. Durable sk...