While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
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
2 out of 3 adults in the United States have hemorrhoids.
7
The average sperm cell swims at 8 inches per hour.
4
A sneeze can travel as fast as 100 miles per hour.
43
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18