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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The average office desk has 400 times more bacteria on it than a toilet.
There are approximately 3 million unintended pregnancies in the United States each year.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
There are 20 feet of blood vessels in each square inch of human skin.
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