Therefore parents are required to seek treatment, which may involve medical and non-medical procedures as soon as the child is diagnosed with ADHD. Adults suffering from ADHD do not develop this problem suddenly and thus it is believed that symptoms existed in the childhood too which only aggravated with time because of lack of proper treatment. Most experts are of the view that ADHD is essentially a childhood condition and symptoms starting appearing at an early age.
Claudia Wallis writes, "Fifteen years ago, no one had ever heard of attention deficit hyperactivity disorder. Today it is the most common behavioral disorder in American children, the subject of thousands of studies and symposiums and no small degree of controversy. Experts on ADHD say it afflicts as many as 3 1/2 million American youngsters, or up to 5% of those under 18. It is two to three times as likely to be diagnosed in boys as in girls. The disorder has replaced what used to be popularly called "hyperactivity," and it includes a broader collection of symptoms. ADHD has three main hallmarks: extreme