Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
We are born with 350 bones, and die with 206.
135
Every hour one billion cells in the body must be replaced.
17
Fidgeting can burn about 350 calories a day.
201
25% of your bones are located in your feet.
12
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
You have no sense of smell when you're sleeping!
72