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Asthma cases in Americans are about 75% higher today than they were in 1980.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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.