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Author Question: Research on the effects of examiners' expectations upon test scores have shown that a. examiners' ... (Read 34 times) |
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Excessive alcohol use costs the country approximately $235 billion every year.
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Illicit drug use costs the United States approximately $181 billion every year.
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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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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.