Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
About 400 different kinds of microbes live on and in the human body.
-3
Gardening is said to be one of the best exercises for maintaining healthy bones.
40
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
2 out of 3 adults in the United States have hemorrhoids.
7
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


