Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
A sneeze can travel as fast as 100 miles per hour.
43
There are more bacteria in your mouth than there are people in the world.
60
A person can live without food for about a month, but only about a week without water.
156
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
Fingernails grow nearly 4 times faster than toenails.
31
Every day, the average person swallows about a quart of mucous.
5
It is possible to go blind from smoking too heavily.
50