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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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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.
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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.