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11 Topic Pages Found in Health and starting with the letter N
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Nasal septum deviation

What Is It? The nasal septum is the wall between the left and right sides of the nose. It is firm, but bendable, and it is covered by skin that has a

Open National Institute on Aging
National Institute on Aging

The National Institute on Aging (NIA), one of the National Institutes of Health (NIH), works to increase understanding of the nature and implications

Open Nervous system
Nervous system

network of specialized tissue that controls actions and reactions of the body and its adjustment to the environment. Virtually all members of the

Open Neurons

Elongated cell that transmits information rapidly between different parts of the body, the basic functional unit of the nervous system . Each nerve


in psychiatry, a broad category of psychological disturbance, encompassing various mild forms of mental disorder. Until fairly recently, the term

Open Newborn infants
Newborn infants

The neonate exists in a developmental stage in which many of the adaptations of the fetus are no longer relevant to the survival demands of postnatal

Open Newborn screening
Newborn screening

Newborn screening for disease is a highly effective public health effort to prevent the consequences of certain diseases in affected newborns. Through

Open Nicotine

C 10 H 14 N 2 , poisonous, pale yellow, oily liquid alkaloid with a pungent odor and an acrid taste. It turns brown on exposure to air. Nicotine, a

Open Non-insulin-dependent diabetes
Non-insulin-dependent diabetes

Type 2 diabetes is a chronic (lifelong) disease marked by high levels of sugar (glucose) in the blood. Type 2 diabetes is the most common form of

Open Nursing

Nurses are the largest single group of staff working in the health service. There are more than 686,000 qualified nurses registered with the Nursing