The study did not include a comparison group of children who had not taken Ritalin.

Unlike most of the kids in his class, he does not take Ritalin.

Casey, now 12 years old, began taking Ritalin in the first grade on his doctor's advice when behavior problems surfaced.

In some cases, he said, academic performance seemed to improve after children began taking Ritalin.

In 1987, children ages 5 to 9 were most likely to be taking Ritalin or another stimulant.

Have been taking Ritalin since then (through college and now at work) and could not imagine life without it.

College students take Ritalin to improve their academic performance.

In the drug study, 183 children took Ritalin for about a year, at varying doses.

It is estimated that 250,000 to 300,000 American children take Ritalin daily.

He's been taking Ritalin for a few months now, with good results.