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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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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 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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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

This graphic illustrates the original systems model of politics advanced by David Easton. Politics This graphic illustrates the original systems model of politics advanced by David Easton. Politics
The Stillwater Mining Company The Stillwater Mining Company
This headache remedy was “guaranteed” by the drug company; 1906. This headache remedy was “guaranteed” by the drug company; 1906.
Fermentations use a common strategy to regenerate oxidized NAD+ Fermentations use a common strategy to regenerate oxidized NAD+
Eating a variety of foods from all food groups is the best strategy to meet your daily mineral needs Eating a variety of foods from all food groups is the best strategy to meet your daily mineral needs
Pharmaceutical Company Representatives Pharmaceutical Company Representatives
Video: Red Blood Cells - Erythropoietin (EPO)

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