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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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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 most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Medication errors are three times higher among children and infants than with adults.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.