The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
Half of all Americans over the age of 55 have no teeth.
39
There are two credit cards for every person in the United States.
2
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
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
Children's sense of smell is better than adults'.
860
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191