While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
You mostly breathe from only one nostril at a time!
75
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
An average adult produces about half a liter of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.
8
Your ears secrete more earwax when you are afraid than when you aren't.
229
A sneeze can travel as fast as 100 miles per hour.
43
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25