Forty percent of Americans have never visited a dentist.
33
Most people smile when they are frustrated, according to a study.
15
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
The world's tallest man reached 8 feet 11 inches at 21.
202
The Japanese, on average, are the shortest people.
320
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
On average, men's noses are 10% larger than women's.
12
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52