What Causes ‘Hiccups’ and Why Are They So Hard to Stop?

Hiccups happen when your diaphragm suddenly contracts and your voice box closes. This makes that famous hic sound. Sometimes you get hiccups after eating too fast or drinking something cold, like soda. They’re so hard to stop because they're a reflex, like blinking automatically, and your brain just keeps sending the same signal over and over.

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Examples

  1. A kid drinks too much soda and starts hiccuping nonstop in the middle of a movie.
  2. You eat a huge sandwich quickly and suddenly start hiccuping during your favorite TV show.
  3. Your friend laughs so hard that they get hiccups while trying to explain something important.

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