Attention deficit hyperactivity disorder Facts
A neurobehavioral disorder
- Attention deficit hyperactivity disorder (ADHD) is a neurobehavioral disorder.
- It is characterized by significant difficulties of inattention or hyperactivity and impulsiveness or a combination of the two.
- There are three sub-types of ADHD.
- Symptoms for this emerge before seven years of age.
- It impacts school-aged children and results in restlessness, acting impulsively, and lack of focus which impairs their ability to learn properly.
- It is the most commonly studied and diagnosed psychiatric disorder in children.
- About 3 to 5% children are effected with this disorder.
- 4.7 percent of American adults live with ADHD.
- It is diagnosed two to four times more frequently in boys than in girls.