Health Library

Non-Hodgkin Lymphoma in Children

Detailed information on non-Hodgkin's lymphoma, including causes, staging, symptoms, diagnosis, and treatment

Noninfectious Skin Conditions

Detailed information on non-infectious skin conditions, including dermatitis, acne, drug rashes, poison ivy/poison oak, and toxic epidermal necrolysis

Nonstress Testing

A nonstress test is a type of test done during pregnancy. It measures the heart rate of the unborn baby in response to its movements. In most cases, the heart rate of a healthy baby increases when the baby moves.

Nontraditional Inheritance

Detailed information on nontraditional inheritance, including uniparental disomy and Prader-Willi Syndrome and Angelman Syndrome, trinucleotide repeats and Fragile-X Syndrome, and mitochondrial inheritance and Leber's Optic Atrophy

Normal Breast Development

Breast development occurs in distinct stages, first before birth, and again at puberty and during the childbearing years. Changes also occur to the breasts during menstruation and when a woman reaches menopause.

Normal Growth

A child's growth not only involves the length and weight of his or her body, but also internal growth and development.

Normal Newborn Behaviors and Activities

Detailed information on normal newborn behaviors and activities

Normal Vision

To understand how certain problems can affect your child's vision, it’s important to know how normal vision happens.

Nose and Throat Disorders

Detailed information on nose and throat disorders in children

Nosebleed (Epistaxis) in Children

A nosebleed is bleeding from tissues inside the nose (nasal mucus membranes) caused by a broken blood vessel. Most nosebleeds in children occur in the front part of the nose close to the nostrils.

Nursemaid’s Elbow in Children

Nursemaid's elbow is a type of elbow injury. It's when a forearm bone (radius) slips out of place from where it normally attaches to the elbow joint.

Nutrition and Burns

A child who has been burned needs additional calories and protein to help them heal and grow.