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
About 400 different kinds of microbes live on and in the human body.
-3
The human body contains over a billion miles of DNA.
147
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
Medical research has found substances in mistletoe that can slow down tumor growth.
32
The average human body contains enough iron to make a small nail.
50
On average, there's 100 billion neurons in the human brain.
83