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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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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
To examine a child’s ear, the pinna should be pulled back and up for children over 3 years; the pinn
Research Methods
Sociologists study the social factors that underlie human behavior, the experiences that mold us, ...
Researchers and Research Spending, 2009
Biology questions and answers
I need help soon some questions attached