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Did you know?
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The average adult has about 21 square feet of skin.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.