How can we distinguish between laziness and patience? Why do people do crossword puzzles? And how is Angie like a combination of a quantum computer and a Sherman tank? Take the Seven Deadly Sins survey: <a href="http://freakonomics.com/nsq-sins/" target="_blank">freakonomics.com/nsq-sins/</a>

137. Are We All Addicted to Ultra-Processed Foods?

Research psychologist Angela Duckworth (author of "Grit") and tech and sports executive Mike Maughan really like to ask people questions, and they believe there’s no such thing as a stupid one. So they have a podcast where they can ask each other as many “stupid questions” as they want. New episodes each week. "No Stupid Questions" is a production of the Freakonomics Radio Network.

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