Half of all Americans over the age of 55 have no teeth.
39
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
The average single man is one inch shorter than the average married man.
88
Yawns are more contagious among people with closer relationships.
163
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
Children grow faster in the springtime than any other season during the year.
108
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3