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Author Question: To obtain a professional ________, you usually need to pass a written exam on specific IT skills. (Read 695 times) |
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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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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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.