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Did you know?
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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The average adult has about 21 square feet of skin.
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There are approximately 3 million unintended pregnancies in the United States each year.