• Adults laugh around 15-30 times per day.
• Laughing a lot can cause less sickness in the future. 
  (Laughing causes a hormone called HGH to be released. HGH boosts your immune system and helps you fight germs). 
• You can’t laugh by tickling yourself .
• Laughing for 15 minutes can burn between 10-40 calories.  

• Humans aren’t the only ones who laugh. Animals like cats and dogs also laugh! 

All facts are according to CBC kids.