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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.