Forty percent of Americans have never visited a dentist.
33
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
90% of people sit at their computer desk slouching, supporting their head with their left hand.
41
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
Women rate men more attractive if other women are looking and smiling at him.
17
If you're over 100 years old, there's an 80% chance you're a woman.
143