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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.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.