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Sjögren Syndrome What is Sjögren syndrome? Sjögren syndrome is an autoimmune disorder. This means that the body’s own immune system attacks its own healthy cells and tissues by mistake. In this case, it attacks the glands that make moisture. It commonly causes dry skin, dry eyes

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

Male Infertility What is male infertility? Gender words are used here to talk about anatomy and health risk. Please use this information in a way that works best for you and your doctor as you talk about your care. Infertility is a disease of the reproductive system. It makes a

High Blood Pressure: Hypertension What is high blood pressure? Blood pressure is the force of the blood pushing against the artery walls. The force is made with each heartbeat as blood is pumped from the heart into the blood vessels. This is called systolic blood pressure. Blood

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

Type 1 Diabetes Mellitus in Children What is type 1 diabetes in children? Diabetes is a condition in which the body can't make enough insulin or can't use insulin normally. Type 1 diabetes is an autoimmune disorder. That is, the body's immune system damages the cells in the

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 paralysis of the muscles in

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

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 means that narrowed or blocked arteries have reduced the blood flow to your legs

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 mucus lining of the intestines gets inflamed. This inflammation damages and