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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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The average office desk has 400 times more bacteria on it than a toilet.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.