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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.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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The FDA recognizes 118 routes of administration.
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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.