? The average adult person laughs 14 times a day, whilst babies can rack up a whopping 300 times
? Rats and gorilla laugh when they are tickled.
? Laughing for 15 minutes burns 40 calories (whereas licking a stamp gains 6 calories per lick).
? Psychology Today once published a study in an attempt to explain why bottom burps evoked more laughter than regular burping.
? You can’t make yourself laugh by self-tickling.
? When you laugh your diaphragm spasms, which is why we make noises like “Ha-Ha-Ha”, “Ho-Ho-Ho”, or “He-He-He”.
? The premotor cortical region of the brain stimulates your face muscles to smile when you hear laughter, it’s almost impossible to resist.