More people use blue toothbrushes, than red ones!
66
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
When you take a step, you are using up to 200 muscles.
886
The average sperm cell swims at 8 inches per hour.
76
Fingernails grow nearly 4 times faster than toenails!
30
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92