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Attention-Deficit / Hyperactivity Disorder (ADHD) in Children, Adolescents and Teens What is ADHD? ADHD, also called attention-deficit disorder, is a behavior disorder, usually first diagnosed in childhood, that is characterized by inattention, impulsivity, and, in some cases

Anorexia Nervosa in Adolescents and Teens What is anorexia nervosa? Anorexia nervosa (AN), a form of self-starvation, is an eating disorder characterized by a distorted body image that leads to restricted eating and other behavior that prevents a person from gaining weight

Appendicitis What is appendicitis? Appendicitis is a medical emergency. It happens when your appendix becomes sore, swollen, and diseased. The appendix is a thin tube that is joined to the large intestine. It sits in the lower right part of your belly (abdomen). The appendix is a

Chronic Liver Disease/Cirrhosis What is cirrhosis? Cirrhosis is when scar tissue replaces healthy liver tissue. This stops the liver from working normally. Cirrhosis is a long-term (chronic) liver disease. The damage to your liver builds up over time. The liver is your body’s

Guillain-Barré Syndrome in Children What is Guillain-Barré syndrome in children? Guillain-Barré syndrome (GBS) is a short-term but often life-threatening disorder that affects the nerves in the body. GBS can cause muscle weakness, pain, and short-term (temporary) paralysis of the

Necrotizing Enterocolitis in the Newborn What is necrotizing enterocolitis in the newborn? Necrotizing enterocolitis (NEC) is a serious, life-threatening illness in newborns. It happens when tissue in the large intestine (colon) gets inflamed. This inflammation damages and kills

Claudication What is claudication? Claudication is pain in your thigh, calf, or buttocks that happens when you walk. It can make you limp. It may be a symptom of peripheral artery disease (PAD). This is when narrowed or blocked arteries reduce the blood flow to your legs. At

Spinal Muscular Atrophy in Children What is spinal muscular atrophy in children? Spinal muscular atrophy (SMA) is a disease of the nerves and muscles caused by certain genes. It affects the motor neurons in the spinal cord. It causes muscle wasting and weakness. What causes

Osteogenesis Imperfecta in Children What is osteogenesis imperfecta in children? Osteogenesis imperfecta (OI) is a rare inherited (genetic) bone disorder that is present at birth. It's also known as brittle bone disease. A child born with OI may have soft bones that break

Duchenne Muscular Dystrophy in Children What is Duchenne muscular dystrophy in children? Duchenne muscular dystrophy (DMD) is a genetic condition that weakens your child’s muscles. It is the most common muscular dystrophy, a kind of inherited muscle disease. DMD causes weakness