1.   A landmark study found the drug Ritalin to be the most effective form of treatment for children with attention deficit hyperactivity disorder.

2.   But she said she suspected that the use of stimulants to treat attention disorders was even more prevalent among children from higher-income families.

3.   But the researchers also found that almost half the preschoolers in the study suffered from diabetes, asthma or other major chronic illnesses in addition to the attention disorder.

4.   Debbie Wright suspects that Devon has an attention disorder, which, like other learning disabilities, often emerges in the elementary school years.

5.   Diagnosing attention deficit hyperactivity disorder has never been easy.

6.   For children with attention deficit hyperactivity disorder, life can feel like a nonstop video game.

7.   For example, Ritalin - which can be used to treat narcolepsy in adults - is used to treat attention deficit hyperactivity disorder in children.

8.   For more than a decade, Ritalin has been increasingly prescribed for children who have been given a diagnosis of attention deficit disorder or attention deficit hyperactivity disorder.

9.   He sees the high-tech simulators as useful for people with attention deficit hyperactivity disorder, who have trouble concentrating.

10.   He was diagnosed with attention deficit hyperactivity disorder, which in some cases has been tied to lead exposure.