Attention Deficit Disorder is caused by a chemical imbalance in the brain. There appears to be a deficiency in the brains ability to produce or use certain chemicals called transmitter substances or neurotransmitters. The theory is that a shortage of certain neurotransmitters results in the brain being under-stimulated, therefore it's deficient in regulating its own activities such as attention. Attention Deficit Disorder is characterized by a number of common symptoms. The symptoms are short attention span or distractibility, impulsiveness, and hyperactive. This results in social problems and disorganization. As ADD kids get older they feel stupid and are often accused of being l