The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Smokers get ten times more wrinkles than non-smokers.
171
It is possible to go blind from smoking too heavily.
50