If your DNA was stretched out it would reach to the moon 6,000 times.
256
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
You can alleviate a tickly throat by scratching your ear.
9
A sneeze can travel as fast as 100 miles per hour.
43
Your skin is actually an organ.
88
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
2 out of 3 adults in the United States have hemorrhoids.
7