The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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The average office desk has 400 times more bacteria on it than a toilet.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Bow shock formed by the magnetosphere of LL Orionis (center) as it collides with the Orion Nebula fl