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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.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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There are more bacteria in your mouth than there are people in the world.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.