How can our bad behavior be used for good? iStock hide caption

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7 Deadly Sins

Sinful behavior is human, and nearly impossible to avoid. In this hour, TED speakers talk about the guilty pleasure of behaving badly and the challenge of confronting sin — and avoiding it.

"You can choose to be a vegetarian, but don't think that just because you've made that decision, bacon suddenly stops smelling good." - Christopher Ryan James Duncan Davidson/TED hide caption

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What Did Cavemen Think About Lust?
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Oklahoma City Mayor Mick Cornett explains how his city went from one of the fattest to one of the fittest. Courtesy of TED/TED hide caption

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How Did An Obese City Lose A Million Pounds?
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Overture 1998 Royal National Theatre Cast

Activist Dave Meslin says even though we're apathetic about local politics, we're hardly sloths. Riyad Mustapha/TEDxToronto hide caption

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What's The Antidote To Political Apathy?
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Dr. Gary Slutkin says we should think of violence as a contagious disease. James Duncan Davidson/TED hide caption

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Why Should We Treat Violence Like A Contagious Disease?
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Nick Hanauer says increasing the minimum wage would be good for the poor and the super rich. Ryan Lash/TED hide caption

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How Should We Distribute Our Wealth?
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End Credits The Herbaliser

Parul Sehgal, an editor at The New York Times Book Review, says literature would hardly exist without the "grim thrill" of envy. Ryan Lash/TED hide caption

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How Does Envy Help Us Better Understand Ourselves?
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Jeopardy Know-it-All Ken Jennings reveals how losing to a supercomputer crushed his pride. Courtesy TEDxSeattle/TED hide caption

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What Does Losing To A Computer Tell Us About Pride?
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Sin You Sinners! Lillian Roth