Smile

Smile

From Stuff You Should Know by iHeartPodcasts

June 9, 2026 · 49 min

About this episode

This episode explores the science and fun facts about smiling.

They say that smiling requires fewer muscles than frowning, so why not smile? That doesn’t seem to be true, or at least unproven, and there is lots more about smiling that will keep you glued to your earbuds in this fun episode. See omnystudio.com/listener for privacy information.

Topics covered

  • smiling
  • muscle use
  • psychology
  • fun facts
  • human behavior

Keywords

  • smile
  • frowning
  • muscles
  • psychology
  • human behavior

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