If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
About half of all Americans are on a diet on any given day.
29
The human body contains over a billion miles of DNA.
147
Your body is creating and killing about 2.4 million red blood cells per second.
17
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Your hair grows faster in the morning than at any other time of day.
91