If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
There are more bacteria in your mouth than there are people in the world.
60
About 400 different kinds of microbes live on and in the human body.
-3
The lense of the eye continues to grow throughout a person's life.
34
Male hospital patients fall out of bed twice as often as female hospital patients.
71
Human thigh bones are stronger than concrete!
63