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
On average, women have always lived longer than men.
195
The human brain is more active during sleep than during the day.
28
The average sperm cell swims at 8 inches per hour.
76
Human teeth are almost as hard as rocks!
47
Your hair grows faster in the morning than at any other time of day.
91
Fingernails grow fastest on the hand you favor.
44
Vicks inhalers can cause you to test positive for Meth on drug tests.
41