Sex burns about 360 calories per hour.
860
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
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
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
From the age of thirty, humans gradually begin to shrink in size.
1
There are about 1,400 different species of bacteria in your belly button.
10
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
Medical research has found substances in mistletoe that can slow down tumor growth.
32