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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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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.
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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Terrestrial plants and animals can be characterized by analogous pathways for water gain and loss.
Treating the middle-aged adult
Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Charting Progress: Weekly Weight Loss Log
In the box on upward social mobility on page 82, we discussed how Latinos face a similar situation. ...
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?