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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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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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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.