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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The human body produces and destroys 15 million blood cells every second.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.