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
Ingrown toenails are hereditary.
15
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
A human being loses an average of 40 to 100 strands of hair a day.
133
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
One or two alcohol drinks a day can be anti-inflammatory.
75
Fidgeting can burn about 350 calories a day.
201
Your heart pumps about 2,000 gallons of blood each day!
53