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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Excessive alcohol use costs the country approximately $235 billion every year.