Children often test the limits of their parents and authority figures. Some level of disobedience and rule breaking is a normal and healthy part of childhood. Sometimes, however, that behavior can be ...

Oppositional defiant disorder (ODD) is a behavior disorder where children are frequently uncooperative or hostile. It may have genetic, environmental, and psychosocial causes. Children with ODD have a ...

This informational guide, part of POPSUGAR's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to ...