Mental Health DailyResearch. Evidence. Perspective.Published research on PHQ-9.
A 2026 ANTLER mechanistic analysis found no evidence that maintaining antidepressants preserved a happier facial-emotion recognition pattern compared with placebo substitution at 12 weeks (a…
Read articleA 147-person feasibility randomized trial found that both a structured AI therapy chatbot and general ChatGPT reduced PHQ-9 depression scores compared with assessment-only control, with effe…
Read articleA 2026 NHANES analysis of 6,502 adults found that urinary 3-PBA, a pyrethroid insecticide metabolite, was modestly associated with depression risk at OR = 1.02 per 1 μg/L, while self-reporte…
Read articleA 2026 NHANES mortality analysis found that adults with PHQ-9 depressive symptoms had lower long-term all-cause mortality when their CALLY index was higher: in the fully adjusted model, each…
Read articleA 2026 participatory-design and case-study paper turned smartphone mental-health data into 6 clinician-facing visualizations for an 8-week anxiety/depression digital clinic, using feedback f…
Read articleA 12-week randomized pilot trial in 60 Veterans with depression and psychiatric polypharmacy found that 30% had an actionable antidepressant gene-drug interaction, but immediate access to ph…
Read articleA 2026 nationwide Korean analysis found that resistance exercise was associated with lower depression and anxiety scores after propensity score matching, while aerobic exercise alone was not…
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