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Microcephaly in Children What is microcephaly in children? Microcephaly is a condition where a baby's head is much smaller than normal. It is most often present at birth (congenital). Most children with microcephaly also have a small brain and an intellectual disability. Some

Conduct Disorder in Children What is conduct disorder in children? Conduct disorder is a type of behavior disorder. It’s when a child has antisocial behavior. They may disregard basic social standards and rules. They may also: Be irresponsible Skip school or run away (delinquent

Hepatitis in Children What is hepatitis in children? Hepatitis is an inflammation of the liver. It can damage and destroy liver cells. What causes hepatitis in a child? Hepatitis in children can be caused by many things. Your child can get hepatitis by being exposed to a virus

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

Coronary Heart Disease What is coronary heart disease? Coronary heart disease happens when the innermost layer of the coronary arteries becomes inflamed and narrowed. This is caused by a buildup of fatty deposits called plaque. These deposits may start in childhood and continue

Brain Abscess in Children What is a brain abscess in children? An abscess is a pocket of infection. In the brain, an abscess may be in one or more areas. This condition may cause problems with how the brain and spinal cord function. It's a serious and life-threatening condition

Inguinal and Umbilical Hernias in Children What are hernias in children? A hernia is when a part of the intestine or other tissue pushes through an opening in the belly (abdominal) muscles. The hernia creates a soft lump or bulge under the skin. In children, a hernia often

Erectile Dysfunction (Impotence) What is erectile dysfunction? Erectile dysfunction (ED) or impotence means you can’t get an erection. It can also mean you aren't happy with the size or hardness of your erections, or how long your erections last. In the past, ED was thought to be

Oppositional Defiant Disorder (ODD) in Children What is oppositional defiant disorder (ODD) in children? Oppositional defiant disorder (ODD) is a type of behavior disorder. It's mostly diagnosed in childhood. Children with ODD show a pattern of uncooperative, defiant, and hostile

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