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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.