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There are more nerve cells in one human brain than there are stars in the Milky Way.
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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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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.
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About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.
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Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.
The relative influence of heredity and the environment in human behavior has fascinated and plagued ...
An infant begins to notice the external environment by the age of 4 to 8 months
Testing Infants’ Knowledge
A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat ...
Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ...