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Author Question: Tobacco (nicotine) is classified as a(n) __________ because it excites central nervous system ... (Read 76 times) |
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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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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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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Thyroid conditions may make getting pregnant impossible.