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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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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.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.