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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
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The average office desk has 400 times more bacteria on it than a toilet.
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Excessive alcohol use costs the country approximately $235 billion every year.
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The human body produces and destroys 15 million blood cells every second.
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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).