ADHD is a disorder characterized by the following symptoms:
aggression, excitability, fidgeting, hyperactivity, impulsivity, irritability, lack of restraint, or persistent repetition of words or actions. Absent-mindedness, psychology specialities, difficulty focusing, forgetfulness, problem paying attention, or short attention span, anger, anxiety, boredom, excitement, or mood swings that vary in intensity and can interfere with daily activities.