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Postpartum Depression Brain Activity: 12-Study fMRI Meta-Analysis

Stylized resting-state brain scan with highlighted amygdala, precuneus, and neurotransmitter systems, representing fMRI meta-analysis findings in postpartum depression.

Resting-state fMRI studies of postpartum depression have produced inconsistent results for years. A 2026 voxel-based meta-analysis pooled 12 studies of 475 patients and found 4 reliable regional differences (amygdala, precuneus, occipital, precentral cortex) at uncorrected thresholds, none of which held up under strict family-wise error correction.1 Research Highlights 12-study fMRI pool: Chen et al. analyzed …

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Workplace Mental Health Apps Split Outcomes: Anxiety Down, Wellbeing Up

MHD featured image for workplace mental health apps and executive-function training.

A 228-person randomized trial found a split result for workplace mental-health apps: executive-function training reduced anxiety and depressive symptoms at 12-week follow-up, while a self-guided CBT app improved workplace wellbeing without reducing symptoms.1 The mechanism claim was weaker than the outcome claim because measured executive-function change did not explain the improvements. Research Highlights 228 adults …

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Exercise Before CBT Raised Depression Remission to 69% in Pilot Trial

MHD featured image for exercise priming before CBT in major depression.

A 40-person pilot trial found depression remission in 69% of adults who did 30 minutes of moderate exercise before individual CBT, compared with 33% of adults who did a calming pre-CBT activity.1 Compared with a broad “exercise boosts therapy” claim, acute exercise is a plausible priming step; the alliance and activation mechanisms still need a …

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Arts Prescription Helped Young Adults Build Routine but Caused Stress

MHD featured image for arts on prescription and young-adult mental health.

A 2026 qualitative study of a 10-week Danish Arts on Prescription program found that young adults aged 18 to 30 often described more stable daily routine, confidence, and belonging, but some activities also caused stress, fatigue, or discomfort.1 The useful interpretation is structured creative groups may help some disconnected young adults rebuild daily life when …

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Esketamine-Sufentanil PCA Reduced Postoperative Depression and Anxiety

MHD featured image for esketamine-sufentanil PCA and postoperative depression and anxiety after colorectal surgery.

A 99-patient randomized trial found that adding esketamine to sufentanil patient-controlled analgesia lowered postoperative depression and anxiety scores at 24 and 72 hours after colorectal cancer surgery, while resting and activity pain scores did not differ by group.1 That pattern makes the result more interesting than simple pain relief: the mood signal was partly independent …

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MDD and Alcohol Use Disorder Polygenic Scores Add 4.88% Prediction

MHD featured image for MDD and alcohol use disorder polygenic risk.

A 2026 Add Health analysis found that combining major-depression and alcohol-use-disorder polygenic scores added 4.88% variance for comorbid MDD-AUD prediction, while same-trait scores added only 0.65% for MDD and 1.52% for AUD alone.1 The genetic signal is strongest where the clinical problem is hardest: depression plus alcohol-use disorder, not either diagnosis in isolation. Research Highlights …

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Teen Emotion-Regulation Profiles Predicted Anxiety and Depression

MHD featured image for teen emotion-regulation profiles and mental health.

A 2026 longitudinal study involving 951 adolescents found 5 emotion-regulation profiles, not the 3-profile structure the researchers expected, and the clearest mental-health separation came from the adaptive and maladaptive profiles.1 Teen coping looked less like a single good-versus-bad scale and more like a pattern of motives, strategies, and beliefs about whether those strategies work. Research …

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