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Acne What is acne? Acne is a disorder of the hair follicles and oil glands (sebaceous glands). The oil glands secrete oils (sebum) to keep the skin moist. When the glands get clogged, it can lead to pimples and cysts. Acne is very common. People of all races and ages have acne

Types of Genetic Testing Genetic tests look for changes in a person's genes. They can also look for changes in the amount, function, or structure of key proteins coded by genes. Genetic tests can look at the DNA or RNA that play a role in certain conditions. Abnormal test results

Irritable Bowel Syndrome (IBS) in Children What is IBS in children? Irritable bowel syndrome (IBS) is a long-term (chronic) disorder that affects the small intestine and large intestine (colon). IBS causes painful belly (abdominal) and bowel symptoms. With IBS, the colon appears

Health Risks of Not Being Physically Active Not being physically active is a risk factor for health problems. If you aren't physically active, you are at higher risk for: Cardiovascular disease High blood pressure Type 2 diabetes Anxiety and depression Some kinds of cancer Facts

Anatomy of the Endocrine System in Children These are parts of the endocrine system: Hypothalamus. This gland is in the brain. It secretes hormones that stimulate or suppress the release of hormones in the pituitary gland. It also controls water balance, sleep, temperature

Common Symptoms of Liver Disease What are some common liver disease symptoms? When diagnosing liver disease, your health care provider looks at your symptoms and does a physical exam. Some common signs and symptoms of liver disease include: A yellowing of the skin and eyes

Obesity in Children and Teens What is obesity in children and teens? Obesity is when a person has too much body fat. Without treatment, obesity can become a serious, long-term disease. What causes obesity in a child or teen? In many ways, childhood obesity is a puzzling disease

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