Half of all Americans over the age of 55 have no teeth.
39
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
One in 500 humans has one blue eye and one brown eye.
145
The average person laughs 13 times a day!
108
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11