Juvenile idiopathic arthritis (JIA) is a form of arthritis in children. Arthritis causes joint swelling (inflammation) and joint stiffness. JIA is arthritis that affects 1 or more joints for at least 6 weeks in a child age 16 or younger.

Detailed information on behavior problems in adolescents, including attention-deficit/hyperactivity disorder, conduct disorder, and oppositional defiant disorder

A food allergy is when your child’s body has a bad immune reaction to a certain food. This is different than a food intolerance which does not affect the immune system. This is true even though some of the same signs may be present.

Acne is a disorder of the hair follicles and sebaceous glands. Hair follicles are the areas around the base or root of each hair. Sebaceous glands are the tiny glands that release oil (sebum) into the hair follicles. The sebum moistens the skin and hair. The sebum and hair get to the skin surface through tiny holes called pores.

Know the types of burns you can get and how to keep you and your family safe.

Lead poisoning is a totally preventable disease. Children ages 1 to 3 who live in low-income housing built before 1978 are especially at risk. Read on to learn more.

Human bite wounds are more likely to become infected than dog or cat bites. A healthcare provider should check any human bite that breaks the skin.

A splinter is a sharp sliver of wood, glass, or other debris that is lodged underneath the skin. Removal of small, superficial splinters can usually be done at home. Read on to learn how.

Detailed information on insect bites, including bee stings, flea bites, mite bites, chigger bites, spider bites, tick bites, and lyme disease

Children should wear protective eyewear during sports and recreational activities. In the classroom, they should wear eye protection when doing lab experiments.