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Author Question: Two hundred years ago, nearly everyone in the United States lived in rural areas and worked in ... (Read 54 times) |
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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The human body produces and destroys 15 million blood cells every second.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.