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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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There are 20 feet of blood vessels in each square inch of human 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.

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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

There are 26 species of goanna in Australia. There are 26 species of goanna in Australia.
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