There are more bacteria in your mouth than there are people in the world.
60
The human brain is more active during sleep than during the day.
28
Lack of water is the #1 trigger of daytime fatigue.
148
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
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
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
On average, women have always lived longer than men.
195