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Author Question: Macrofossils offer direct evidence for important archaeological research reconstructing ... (Read 160 times) |
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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There are more bacteria in your mouth than there are people in the world.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.