Like fingerprints, everyone's tongue print is different!
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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.
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The average person who stops smoking requires one hour less sleep a night.
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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Your body is creating and killing 15 million red blood cells per second.
50
A fetus develops fingerprints at eighteen weeks!
32
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
It takes about 20 seconds for a red blood cell to circle the whole body.
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