After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Human teeth are almost as hard as rocks!
47
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
There are 206 bones in the human body!
-17
The human sigh acts as a physiological reset button.
23
Flu shots only work about 70% of the time.
18
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164