If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
The lifespan of a tastebud is ten days.
130
Your heart beats over 100,000 times a day!
54
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14