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The familiar sounds of your heart are made by the heart's valves as they open and close.
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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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People about to have surgery must tell their health care providers about all supplements they take.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.