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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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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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Illicit drug use costs the United States approximately $181 billion every year.
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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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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.