Scientists are confirming what many of us already know.
But why it works is the big question.
What is the physiology of laughter?
The answer, reports Robin Dunbar, an evolutionary psychologist at Oxford, is not the intellectual pleasure of cerebral humor, but the physical act of laughing. The simple muscular exertions involved in producing the familiar ha, ha, ha, he said, trigger an increase in endorphins, the brain chemicals known for their feel-good effect.
Read on to find out why laughing makes us feel good.
