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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
There are more sensory neurons in the tongue than in any other part of the body.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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.
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.