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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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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.
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Illicit drug use costs the United States approximately $181 billion every year.
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The horizontal fraction bar was introduced by the Arabs.