Every day, the average person swallows about a quart of mucous.
5
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
There are about 1,400 different species of bacteria in your belly button.
10
Your ears secrete more earwax when you are afraid than when you aren't.
235
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33