After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
There are more bacteria in your mouth than there are people in the world.
60
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Your hair grows faster in the morning than at any other time of day.
91
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
Your ribs move about 5 million times a year, every time you breathe!
60
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10