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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Excessive alcohol use costs the country approximately $235 billion every year.
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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.