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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 first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.