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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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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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There are more bacteria in your mouth than there are people in the world.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.