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61 Search results starting with "N"

Disease

Narcolepsy

Learn more about this sleep condition that causes periods of involuntary sleep, sleep paralysis and early rapid eye movement (REM) sleep.
Disease

Nasal and paranasal tumors

Learn about these cancerous and noncancerous growths that form in and around the nose. Treatments include surgery, radiation and chemotherapy.
Disease

Nasal polyps

These painless, noncancerous growths can lead to a lost sense of smell or infection. Medicine or surgery can help.
Disease

Nasopharyngeal carcinoma

Nasopharyngeal carcinoma is cancer that happens in the nasopharynx, which sits behind the nose and above the back of the throat.
Disease

Nearsightedness

Tired of squinting at objects in the distance? There are effective treatment options for this eye condition, and some preventive options are emerging.
Disease

Neck pain

This common health condition can be the result of poor posture or osteoarthritis. Rarely, it can indicate a more serious issue.
Disease

Nephrogenic systemic fibrosis

Learn about symptoms, risk factors and possible treatments for this rare disorder in people with advanced kidney disease.
Disease

Nephrotic syndrome

Swelling around your feet and ankles is a common sign of this condition that occurs when your kidneys pass too much protein in your urine.
Disease

Nerve sheath tumors

Learn about these growths that form in or near nerves connecting to the spinal cord. Surgery is the most common treatment.
Disease

Neuroblastoma

Learn more about the symptoms, diagnosis and treatment of neuroblastoma, one of the most common cancers of childhood.
Disease

Neurodermatitis

Learn about this itchy skin condition that can disrupt your sleep and daily activities. Treatment focuses on controlling itching and preventing scratching.
Disease

Neuroendocrine tumors

Learn about the types of tumors that make up this group of rare cancers. Find out about symptoms, causes, diagnosis and treatments.
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