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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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Your heart beats over 36 million times a year.
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The human body produces and destroys 15 million blood cells every second.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.