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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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Excessive alcohol use costs the country approximately $235 billion every year.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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The average adult has about 21 square feet of skin.
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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.