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Question: Wilma has a hearing loss that occurred in the outer or middle ear. This situation prevented sound ... (Read 1989 times)
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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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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
An example showing a modification that has occurred as a result of biological evolution
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa
Rising and Setting of Stars at Middle North Latitudes
Charting Progress: Weekly Weight Loss Log
The relation between the physical and perceptual dimensions of sound.