Category Archives: Science of Laughter

The Biology of a Laugh

This description of what happens as a human body laughs, taken from Susan Brink’s article for the June 6, 2014 National Geographic, reads like a Grouch Marx routine: “(A good belly laugh) sets off a cascade of heart-healthy biological events. Endorphins, pleasure-inducing neurotransmitters, activate receptors on the surface of the endothelium, the layer of flat… Read More