Forty percent of Americans have never visited a dentist.
33
More than half the population of Kenya is under the age of 15.
71
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
The average American consumes 9 pounds of food additives every year.
6
On average women can hear better than men.
170
Muhammad is the most common name in the world.
96