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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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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.