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There are 60,000 miles of blood vessels in every adult human.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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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.