TL;DR: A 2026 study in Comprehensive Psychoneuroendocrinology found that adulthood stressor severity was linked to higher hair cortisol in a longitudinal sample, while early-life stress, recent stress, daily phone-based stress reports, and the cortisol/DHEA ratio did not show consistent associations. Key Findings 2 aligned samples were tested: Study I included 79 adults, and Study II …
TL;DR: A 2026 nationwide study in Journal of Korean Medical Science found that among South Korean children and adolescents with intellectual disability, diagnosed ADHD increased from 30.23% in 2012 to 41.77% in 2021, while diagnosed depression increased from 10.46% to 19.37%. Key Findings Population: Researchers analyzed South Korean national health-insurance records for children and adolescents …
TL;DR: A 2026 mouse study in Neuropsychopharmacology found that brain iron deficiency made an opioid-responsive striatal pathway unusually sensitive to D1 dopamine receptor stimulation, pointing to a possible circuit mechanism for restless legs syndrome and opioid-withdrawal restlessness. Key Findings Iron-deficient mouse model: Researchers used a low-iron diet to create brain iron deficiency (BID), a rodent …
TL;DR: A 2026 medRxiv preprint found that multivariate resting-state electroencephalography (EEG) network markers separated non-lesional epilepsy from functional/dissociative seizures above chance, but the best model was stronger at identifying epilepsy than at identifying functional/dissociative seizures. Key Findings 148 suspected seizure cases: Researchers analyzed medication-free, visually normal, eyes-closed EEG recordings from 75 people later diagnosed with …
TL;DR: A 2025 study in Evolution and Human Behavior found that both men and women reported the strongest romantic jealousy when a partner actively gave most of a money allocation to an opposite-sex rival. Key Findings Partner investment was the strongest trigger: Jealousy rose most when participants saw their partner give 75% of the available …
TL;DR: A 2026 Scientific Reports study of 6,805 English-language media reports found that psychedelic-treatment coverage for depression and PTSD used more positive tone than antidepressant coverage, while antidepressant coverage used more risk and negative-emotion language. Key Findings 6,805 media reports: Researchers analyzed English-language newspaper coverage from 2017 to 2024 using LexisNexis and natural language processing. …
TL;DR: A 2026 conceptual paper in Integrative Psychological and Behavioral Science argued that heavy reliance on AI-generated language can create “Protein Shake Brain,” a state where thoughts are fluent and available but not fully owned by the person using them. Key Findings Protein Shake Brain is a proposed cultural-psychological label for AI-assisted thinking that feels …
TL;DR: A 2026 qualitative study in BMC Psychiatry found that children interviewed 1 month after pediatric intensive care unit discharge described post-traumatic stress disorder (PTSD) symptoms tied to pain, sleep disruption, frightening procedures, sensory overload, and isolation. Key Findings Post-PICU interviews showed trauma symptoms: Researchers spoke with 11 children, including 6 boys and 5 girls …
TL;DR: A 2026 umbrella review in PLOS One pooled Ethiopian systematic reviews and estimated that 22.49% of women had perinatal depressive symptoms, with similar estimates during pregnancy and after birth. Key Findings Eight-review evidence base: Researchers included 8 systematic reviews and meta-analyses covering 28 unique primary studies and 15,592 participants. Overall prevalence: The pooled umbrella …
TL;DR: A 2026 study in The British Journal of Psychiatry found that psychiatrists described parental profession as shaping psychiatry career choice mainly through role modeling, family values, autonomy, guidance, and lived experience with mental health. Key Findings Qualitative sample: Researchers analyzed reflective questionnaire responses from 45 doctors working in child and adolescent psychiatry and 24 …
