Ключевые слова: abbreviation, adhd, at least, attention, attention deficit hyperactivity disorder, awareness, background, behavior, behavioral, behavioral science, brain, care, chaos, child, childhood, children, cognitive, concept, deficit, diagnosis, difficulty, disease, disorder, distracted, distraction, education, focus, head, health, health care, hyperactive, hyperactivity, learn, medical, medicine, mentally, neurology, paper, pencils, pieces, problem, problems, psychological, psychology, social skills, stress, symptom, symptoms, word,