Authors, Robin Ferner and Jeffrey Aronson reviewed 785 research papers published since 1946 and determine 15 unfortunate side effects from laughing.  Altough Ferner, a clinical pharmacist, did say, “Most of the time it makes people happy, but every now and again it kills them.”

*adapted from

Let’s take a look at these 15 reasons why laughing can be bad.

  1. Weakened resolve
  2. Fainting
  3. Irregular heartbeat
  4. Cardiac rupture
  5. Inhalation of foreign bodies (e.g. gum drops, peppermint bark, popcorn)
  6. Asthma attacks
  7. Increased risk for lung collapse
  8. Emphysema
  9. Increase chance of spreading infections due to “exhaled airflow”
  10. Temporary loss of muscle tone
  11. Headaches
  12. Stroke
  13. Protruding hernia
  14. Dislocated jaw
  15. Peeing your pants…


Which ones have you already experienced?