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Author Question: Technician A says that zero degrees Celsius is the freezing temperature of water. Technician B says ... (Read 85 times) |
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Vaccines prevent between 2.5 and 4 million deaths every year.
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There are 20 feet of blood vessels in each square inch of human skin.
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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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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.