
TL;DR: A 2026 rat study in Hippocampus found that the dentate gyrus (DG), a hippocampal memory region, gained about 385,000 granule neurons from 2 to 18 months of age even though older development-born neurons were also being lost. Key Findings 385,000-cell ne…
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TL;DR: A 2025 study in Journal of Sex & Marital Therapy linked higher Dark Triad traits, a personality cluster covering psychopathy, narcissism, and Machiavellianism, with more aggressive relationship expectations and greater self-reported sexual coercion in a…
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TL;DR: A 2026 study in eLife found that prior cocaine self-administration disrupted how rat orbitofrontal cortex (OFC), a frontal brain region involved in task structure and flexible behavior, encoded hidden states in an odor-sequence task. Key Findings 3,881…
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TL;DR: A 2026 study in Critical Care Explorations described a 45-year-old woman whose extended-release carbamazepine and venlafaxine overdose led to cardiac arrest, delayed serotonin syndrome, rebounding carbamazepine levels, bowel ischemia, and right hemicole…
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TL;DR: A 2026 review in Translational Neurodegeneration found that most repurposed multiple system atrophy drugs failed to show disease-slowing effects in trials, while ubiquinol produced the clearest placebo-controlled motor-progression signal. Key Findings N…
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TL;DR: A 2026 Current Biology study found that bacterial polysaccharides, including peptidoglycan from Gram-positive bacteria, activated the C. elegans NSM enteric sensory neuron and shifted feeding and movement behavior through acid-sensing ion channels. Key…
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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 ra…
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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 1…
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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 op…
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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 a…
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