It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The world's shortest man measures only 21.5 inches.
73
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
If the human eye was a digital camera, it would have 576 megapixels.
25

Mushrooms are more closely related to humans than they are to plants.
47
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