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Diabetes Insipidus in Children What is diabetes insipidus in children? Diabetes insipidus (DI) is a condition caused by not enough antidiuretic hormone (ADH) in the body. ADH is also known as vasopressin. This is a hormone that helps the kidneys keep the correct amount of water

Graves Disease in Children What is Graves disease in children? Graves disease is an autoimmune disease. The immune system normally protects the body from infection and disease with proteins called antibodies. But with an autoimmune disease, the antibodies attack the body's own

Bipolar Disorder in Teens What is bipolar disorder in teens? Bipolar disorder is a type of depression. There are 3 main types of depression: Major depression (clinical depression) Bipolar disorder (manic depression) Persistent depressive disorder (dysthymia) A teen with bipolar

Actinic Keratosis What is actinic keratosis? Actinic keratosis (AK) is a rough, scaly spot or bump on sun-exposed skin. Most people with AK have more than one spot. AK is the most common precancer of the skin. Over time, it can develop into squamous cell skin cancer. Most

Bronchiolitis in Children What is bronchiolitis in children? Bronchiolitis is an infection of the lungs. It’s when your child has swelling in the smaller airways (bronchioles) of the lung. This swelling blocks air in the smaller airways. Bronchiolitis is different than bronchitis

Encephalitis in Children What is encephalitis in children? Encephalitis is inflammation of the brain. The inflammation causes the brain to swell. This leads to changes in a child's nervous system that can include confusion, changes in alertness, and seizures. Meningitis often

About Cancer Clinical Trials What are cancer clinical trials? Cancer clinical trials are research studies with people. They may be done by government agencies, educational organizations, private not-for-profit groups, or commercial businesses. Trials are used to check how safe

Tourette Syndrome in Children What is Tourette syndrome in children? Tourette syndrome (TS) is a neurological problem. It is also called Tourette disorder. The syndrome causes repeated tics. Tics are sudden, uncontrolled vocal sounds or muscle jerks. Symptoms of TS often start

Food Allergy What is a food allergy? A food allergy is when your immune system has a bad reaction to a certain food. This is different from a food intolerance, which does not involve the immune system. This is true even though some of the same signs may be present. What causes it

Atopic Dermatitis What is atopic dermatitis? Atopic dermatitis is a long-term (chronic) skin disorder. It causes dry, itchy, scaly patches. The patches are often on the face and the head in babies. It's most common in infants or very young children. Most will show signs of the