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
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Gardening is said to be one of the best exercises for maintaining healthy bones.
40
Children are more allergic to cockroaches than they are to cats!
46
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
Your ears secrete more earwax when you are afraid than when you aren't.
235
Surgeons who listen to music during operations perform better than those who don't .
87