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Author Question: Penicillin, airplanes, and air conditioning were all A) invented in the nineteenth century. B) ... (Read 46 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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Asthma cases in Americans are about 75% higher today than they were in 1980.