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Author Question: An alternating treatments design should not be used with unstable data. Indicate whether the ... (Read 37 times) |
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.