Facts about laughter

Here are some interesting facts about laughing.

  1. The study of humor and laughter is called gelotology.
  2. When you laugh, your body produces endorphins which serves as a natural pain killer.
  3. Nitrous oxide or more commonly known as laughing gas is used as anesthesia in dentistry
  4. Aphonogelia is a rare neurological condition where the sufferer is unable to laugh out loud. No LOL IRL.
  5. Laughing is good for your health and lowers stress level.
  6. Animals like dog, rats and primates laugh too.
  7. Rats like humans have tickle skin. An area of the body that generates laughter more than others.
  8. Laughter is contagious but it's also very hard to laugh on demand.