Close to 20% of people will have at least one episode of depression in their lifetime, but less than half of them will receive treatment for it. One reason for this: many people wonder if they are ...

Identifying and diagnosing depression is crucial for effective intervention and treatment. Researchers and experts have developed depression screening tools to enable early detection and assessment.

November 1, 2010 — The Patient Health Questionnaire 9 (PHQ-9) has "high" sensitivity and "good" specificity for detecting major depression in adolescents in a primary care setting, new research, ...

The Patient Health Questionnaire-9 (PHQ-9) is a tool most clinicians are familiar with. It's quick, familiar, and widely trusted across health care settings. However, when a patient's results indicate ...