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Health Library A to Z

O

  • Obesity in Adolescents
  • Children who are inactive—spending time watching TV or sitting at a computer—are at higher risk for obesity, especially when their diet contains lots of high-calorie foods and beverages.

  • Old Makeup Can Cause Serious Eye Infections
  • Most cosmetics have long shelf lives, but since they can be contaminated with bacteria after only one use, it is a good idea to keep track of how long you have been using products such as mascara and eyeliners.

  • Omphalocele
  • An infant with an omphalocele has a portion of the abdominal organs protruding through an opening in the muscles near the umbilical cord.

  • Oppositional Defiant Disorder
  • This behavior disorder is characterized by uncooperative, defiant, negativistic, irritable, and annoying behaviors toward parents, peers, teachers, and other authority figures.

  • Oral Health
  • Detailed information on oral health problems and teens

  • Organized Sports for Kids
  • Picking the best sport for your child and providing the right level of encouragement can be a challenge, but with a little research, you will find the sports program that best fits your youngster and your family’s budget and schedule.

  • Orthodontics/Braces for Children
  • Orthodontics is the dental specialty that focuses on the development, prevention, and correction of irregularities of the teeth, bite, and jaws.

  • Osteosarcoma
  • Detailed information on osteosarcoma, including causes, symptoms, diagnosis, and treatment

  • Overuse Injuries
  • Detailed information on overuse injuries in children, including jumper's knee, patellar tendonitis, little leaguers' elbow, little leaguers' shoulder, osteochondritis dissecans, Sever's disease, shin splints, Sinding-Larsen-Johansson disease, spondylolisthesis, and spondylolysis

  • Overview of Diabetes Mellitus
  • Diabetes is a chronic disease that involves the regulation of blood sugar and occurs in two different forms, type 1 and type 2.