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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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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Medication errors are three times higher among children and infants than with adults.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.