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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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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.