- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: Define observational study and experiment. Define the terms treatment group and control group as ... (Read 57 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
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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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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The average office desk has 400 times more bacteria on it than a toilet.
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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
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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.