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
Men laugh longer, louder, and more often than women.
61
On average a woman has 4 sexual partners in her lifetime.
-143
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Half of all Americans over the age of 55 have no teeth.
39
The Japanese commonly put ketchup on their rice.
16