Completing their classroom assignments is difficult. Homework is often an ordeal for both student and parent, and completed assignments often disappear between home and school. Usually these youngsters are disorganized and forgetful. They may develop a reputation as a daydreamer or space cadet. The cause of ADHD is not known for sure.
Family studies indicate genetic causes in most cases.
This has nothing to do with intelligence. Studies consistently show that blood sugar levels or too much sugar in the diet bear no relationship to hyperactivity. Food dyes, vitamin deficiencies and fluorescent lighting in the classroom were once thought to cause ADHD and now have been found to be unrelated to the disorder. They seem to have a great deal of trouble with learning from their mistakes. These children require very consistent parental responses and the results are still less than ideal.