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Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.