By Benedict Carey, New York Times, Jan. 8/9, 2013

Most adolescents who plan or attempt suicide have already received at least some mental health treatment, raising questions about the effectiveness of current approaches to helping troubled youths, according to the largest in-depth analysis to date of suicidal behaviors in American teenagers.

The study, in the journal JAMA Psychiatry, found that 55 percent of suicidal teenagers had received some therapy before they thought about suicide, planned it or tried to kill themselves, contradicting the widely held belief that suicide is due in part to a lack of access to treatment. [....]

The report said nothing about whether the therapies given were state of the art or carefully done, said Matt Nock, a professor of psychology at Harvard and the lead author, and it is possible that some of the treatments prevented suicide attempts. “But it’s telling us we’ve got a long way to go to do this right,” Dr. Nock said. [....]