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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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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.