By subject Techniques Special needs Reference desk Professional Assistant Book awards Periodicals Organizations Integrating technology Tech helpers Educ. It is believed that many girls displaying typical characteristics are never diagnosed. 10 to 33 percent of ADHD children have learning disorders. Medicine can temporarily moderate its effects. Meds are effective in 70 to 80 percent of children who use them.
Medications have only limited short term benefits on social adjustment and academic achievement.
ADD is a disability under Section 504. Most scientists suspect the cause of ADD is genetic or biological, while also acknowledging environmental influences. Recent studies are examining the possibility of a chemical imbalance in the brain caused by birth injury, neurological damage or heredity. There is clear evidence of interference with developmentally appropriate social, academic or occupational functioning. Teachers play a critical role in the team of professionals required to make an accurate diagnosis.