Half of all Americans over the age of 55 have no teeth.
39
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
According to Harris Interactive, 70% of men and 57% of women shower daily.
75
Studies show that financially stable men prefer smaller breasts.
16
Yawns are more contagious among people with closer relationships.
163
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Forty percent of Americans have never visited a dentist.
33