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Medication errors are more common among seriously ill patients than with those with minor conditions.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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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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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.