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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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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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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.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The average adult has about 21 square feet of skin.