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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.