TL;DR: When 60 volunteers braced for a shock they could dodge with a quick button press, their brains and bodies shifted into a focused, alert state. But they remembered faces seen during those moments no better than faces seen when they felt safe. Key Findings 60 adults, 270 trials: Each face came with a certain …
TL;DR: People recovering from stress-related exhaustion who did 12 weeks of computer brain training showed larger gains in thinking scores over 4.5 years than people who got rehab alone. Indoor cycling did not show the same lasting edge, but only 56 of 132 people came back. Key Findings Brain training held up: Bigger gains than …
TL;DR: In a review of 84 studies covering 4.1 million people, those with psychological distress or job strain had roughly 30% higher risk of a first stroke. The studies were observational, so they cannot show that stress itself causes strokes. Key Findings 84 studies, 4.1 million people: All stroke-free when first assessed. Psychological distress: 27% …
TL;DR: A 2026 study protocol in PLOS One describes a planned longitudinal study that will track academic stress, depressive symptoms, diet, sleep-related wearable measures, salivary cortisol, and other health indicators across a university semester, but it does not yet report outcome results. Key Findings Study protocol only: The source describes the planned design and hypotheses; …
TL;DR: A 2026 mouse study in Alcohol: Clinical and Experimental Research found that chronic intermittent ethanol plus repeated forced-swim stress left mice drinking more alcohol months later and impaired reversal learning in midlife, alongside locus coeruleus signs of oxidative stress and weaker adrenergic autoregulation. Key Findings Persistent effects reached midlife: The experiment followed 55 C57BL/6J …
TL;DR: A 2026 study in Psychopharmacology found that low oral THC doses did not meaningfully reduce most subjective or physiological responses when healthy adults retrieved memories of a prior social stress task. Key Findings Low-dose THC groups: Participants aged 18-35 were assigned to placebo, 5 mg THC, or 10 mg THC groups, with 12 people …
TL;DR: A 2026 preprint cohort analysis in medRxiv found that about 24.1% of the sample met the PCL-5 threshold for probable post-traumatic stress disorder, or PTSD, while frequent uncensored video exposure was associated with higher PTSD symptom severity after accounting for other risk factors. Key Findings Indirect trauma design: Researchers studied people who were not …
TL;DR: A 2026 study in Communications Biology found that restraint stress weakened medial prefrontal cortex (mPFC, a frontal brain region that helps organize social behavior) activity during social testing, while stress-activated amygdala and hypothalamic oxytocin inputs pushed the circuit toward inhibition. Key Findings Two-hour acute restraint preserved basic sociability but disrupted social novelty preference, suggesting …
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 cross-sectional study in Disaster Medicine and Public Health Preparedness found that 159 of 230 Farsi-speaking refugees in German refugee camps screened at high risk for depression, anxiety, and PTSD symptoms, while resilience, psychological flexibility, meaning in life, and social support also predicted posttraumatic growth. Key Findings High distress was common: 159 of …
