Poor eyesight (myopia) is associated with higher IQ.
232
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Tap water in Canada is held to a higher health standard than bottled water.
19
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
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
Every day, the average person swallows about a quart of mucous.
5
There are more bacteria in your mouth than there are people in the world.
60
Fingernails grow nearly 4 times faster than toenails!
30