MSA Drug Repurposing Review Highlighted Ubiquinol and Exenatide Signals

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MSA Drug Repurposing Review Highlighted Ubiquinol and Exenatide Signals

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 No proven disease-modifying therapy: Multiple system atrophy remains a rapidly progressive neurodegenerative disease without an approved treatment that slows progression. Four target classes …

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Bacterial Polysaccharides Activated NSM Neurons and Shifted C. elegans Feeding Behavior

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Bacterial Polysaccharides Activated NSM Neurons and Shifted C. elegans Feeding Behavior

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 Findings NSM sensed ingested bacteria: the enteric sensory neuron NSM, which projects into the C. elegans pharyngeal lumen, responded when worms …

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Adult Stressor Severity Linked to Higher Hair Cortisol in One Study

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Adult Stressor Severity Linked to Higher Hair Cortisol in One Study

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 …

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ADHD and Depression Diagnoses Rose in Children With Intellectual Disability

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ADHD and Depression Diagnoses Rose in Children With Intellectual Disability

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 …

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Brain Iron Deficiency Sensitized a Dopamine-Opioid Restless Legs Pathway

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Brain Iron Deficiency Sensitized a Dopamine-Opioid Restless Legs Pathway

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 …

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Resting-State EEG Network Markers Distinguished Epilepsy From Functional Seizures

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Resting-State EEG Network Markers Distinguished Epilepsy From Functional Seizures

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 …

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Partner Resource Allocation to a Rival Triggered Romantic Jealousy

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Partner Resource Allocation to a Rival Triggered Romantic Jealousy

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 …

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Psychedelic Treatment Media Coverage Used More Positive Tone

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Psychedelic Treatment Media Coverage Used More Positive Tone

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. …

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Protein Shake Brain Model Warns AI Can Produce Unowned Thoughts

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Protein Shake Brain Model Warns AI Can Produce Unowned Thoughts

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 …

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Children Described PTSD Symptoms After PICU Discharge

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Children Described PTSD Symptoms After PICU Discharge

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 …

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