The whiter your tongue, the more germs there are on it.
88
Clinophobia is the fear of beds!
30
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
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
Human thigh bones are stronger than concrete!
63
It takes 17 muscles to smile, 43 to frown.
65
There are about 1,400 different species of bacteria in your belly button.
10