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Author Question: From what source do cultural changes usually occur? A) internal forces B) external forces C) ... (Read 120 times) |
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.