On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Excessive alcohol use costs the country approximately $235 billion every year.
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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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Blood is approximately twice as thick as water because of the cells and other components found in it.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Aristotle
Adapoids and omomyoids had longer snouts and are the first “true” primates.
Anterosuperior view of true pelvis (blue)
A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ...