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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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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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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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The average office desk has 400 times more bacteria on it than a toilet.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.