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Author Question: When blood vessels under the tongue weaken and extend, the condition is ____________. a. ankylosis ... (Read 27 times) |
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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.