ADHD is a neurobehavioral or mental disorder which is characterized by difficulties in paying attention, hyperactivity (over activity) and difficulty controlling behavior. It is a common childhood disorder usually diagnosed before the age of seven. However, some children do not show the main symptoms of ADHD until they become adolescents.
Types of ADHD
Based on its symptoms, ADHD can be classified into three types as follows:
Predominantly Hyperactive-impulsive ADHD: A person suffering from this type of ADHD will exhibit six or more symptoms of hyperactivity. The symptoms of inattention are usually fewer than six. Inattention may be present but only to a small extent.
Predominantly ...
