The world's shortest man measures only 21.5 inches.
73
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Only humans shed emotional tears.
331
You forget 90% of your dreams.
256
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
It takes about 20 seconds for a red blood cell to circle the whole body.
102
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
160