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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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The FDA recognizes 118 routes of administration.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.