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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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In 1864, the first barbiturate (barbituric acid) was synthesized.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.