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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
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Medication errors are three times higher among children and infants than with adults.
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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
The American Lion was one of the abundant Pleistocene megafauna, a wide variety of very large mammal
The nuse works within the cultural mores of American families.
Listening to loud music with headphones or at rock concerts is a frequent cause of hearing loss amon
Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t
Mass Loss by a Supermassive Star
American Children with Working Parents