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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.