Sugar, Sweet Nutrients Are Good for Your Evolutionary Strategy

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Morkar: Addictions are usually the response of doing something that feels good. He says we create an association in our brain that smoking cigarettes feels like surviving. And therefore, automatically, if you are not smoking it, you feel like your putting yourself in danger he adds. Morkar's book is published by Simon & Schuster at £16.99.

Why do people eat too much even when they don't want to? Why are there so many bad managers? And why might anti-vaxxers be useful? Luca Dellanna, author of The Control Heuristic, thinks the answers to all of these questions are in our heads, or rather in our basal ganglia. Dellanna talks to EconTalk's Russ Roberts about why both brains and employees need immediate feedback, why we're wired to believe our best guesses, and why addiction is just our brain's way of making sure we survive.