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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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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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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.