(New York Times Magazine) – With diagnoses at a record high, some experts have begun to question our assumptions about the condition — and how to treat it.

As time passed, Swanson began to grow uneasy. He and his colleagues were continuing to follow the almost 600 children in the M.T.A. study, and by the mid-2000s, they realized that the new data they were collecting was telling a different — and less hopeful — story than the one they initially reported. It was still true that after 14 months of treatment, the children taking Ritalin behaved better than those in the other groups. But by 36 months, that advantage had faded completely, and children in every group, including the comparison group, displayed exactly the same level of symptoms. Swanson is now 80 and close to the end of his career, and when he talks about his life’s work, he sounds troubled — not just about the M.T.A. results but about the state of the A.D.H.D. field in general. “There are things about the way we do this work,” he told me, “that just are definitely wrong.” (Read More)