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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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.