While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
Men have larger hearts; women's hearts beat faster.
77
Obsessive nose picking is called Rhinotillexomania.
101
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
The skin on your lips is 200 times more sensitive than your fingertips.
345
Your hair grows faster in the morning than at any other time of day.
91
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57