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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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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.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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The horizontal fraction bar was introduced by the Arabs.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.