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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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If you could remove all of your skin, it would weigh up to 5 pounds.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.