Here’s my conversation with David McRaney about his book, “You Are Now Less Dumb: How To Conquer Mob Mentality, How To Buy Happiness, and All The Other Ways To Outsmart Yourself.” We discussed concepts like the Post Hoc Fallacy, in which you believe that the traffic light changed because you pressed the button on the pole, even though it was disconnected long ago. That led to making fun of those Power Balance rip-off bracelets, gluten-free diets, and much more.

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David McRaney’s podcast and previous book are both called “You Are Not So Smart.”