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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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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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Everyone has one nostril that is larger than the other.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.