... that smoking, drinking alcohol and using drugs during pregnancy, influenced a small percentage of ADD cases. Also if you are exposed to toxins such as lead can also alter the brain chemistry and function (Pfiffner) ADD symptoms are very common so you could assume you have it when really you don't. If you were to suspect that you had ADD you would ... needs to concentrate over a certain period of time, control impulses and regulate motor activity. The drug or combination of drugs that work best for you depends on the individual's brain chemistry. The process of finding the right drug can...

• Word Count: 1174
• Approx Pages: 5
• Grade Level: High School