WEDNESDAY, Aug. 29, 2018 -- Many U.S. Army soldiers who attempt suicide have no prior diagnosis of a mental health issue, new research shows, and such histories may not be a good predictor of a soldier's suicide risk.

"The study is one of few to be able to examine risk of suicide attempt among those without a past mental health diagnosis," said study lead author Dr. Robert Ursano. He directs the Center for the Study of Traumatic Stress at Uniformed Services University of the Health Sciences in Bethesda, Md.

THURSDAY, Sept. 13, 2018 -- More than one in three first-year college students around the world struggle with a mental health disorder, new research suggests.

"The number of students who need treatment for these disorders far exceeds the resources of most counseling centers, resulting in a substantial unmet need," said study author Randy Auerbach, of Columbia University in New York City.

TUESDAY, July 24, 2018 -- It's common for heart attack survivors to develop depression. Now a new trial has found that antidepressant treatment may help those patients avoid a second heart attack.

The study, of 300 heart patients with depression, found that treatment with the antidepressant escitalopram (Lexapro) almost halved the risk of suffering another heart attack in the next eight years.