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TL;DR: A 2026 mouse study in Psychopharmacology found that repeated dexamethasone, a synthetic glucocorticoid steroid, disrupted light-phase sleep and increased orexin-neuron activity, a wake-promoting hypothalamic signal, during sleep-to-wake transitions. Key…
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TL;DR: A 2026 systematic review in Journal of Clinical Sleep Medicine found that cognitive behavioral therapy for insomnia (CBT-I), a structured behavioral sleep treatment, plus sleep medication improved chronic insomnia more than medication alone, but adding…
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TL;DR: A 2025 systematic review and meta-analysis in Scientific Reports pooled 10 social media abstinence experiments (N = 4,674 adults; abstinence 1–28 days) and found no significant effect on positive affect, negative affect, or life satisfaction. Key Findin…
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TL;DR: A 2025 study in BMC Biology found that people judged female body size about as accurately from lower-body images as from whole-body images, but isolated thigh regions alone were not enough. Key Findings Two body-perception experiments: Researchers teste…
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TL;DR: A 2025 meta-analysis in the Journal of Attention Disorders pooled 24 studies (N=6,815) and estimated that 11.31% of children and adolescents with ADHD had co-occurring depression — about six times the rate seen in neurotypical peers in head-to-head case…
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TL;DR: A 2024 Gastroenterology study found that intestinal epithelial serotonin reduced anxiety- and depression-like behavior in mice through vagal signaling, while prenatal SSRI exposure in a human cohort predicted infant functional constipation independent o…
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TL;DR: A 2026 medRxiv preprint found that ex-smokers had higher fMRI blood oxygen level dependent (BOLD) responses to high-energy food pictures than adults with obesity or abstinent alcohol dependence, suggesting a brain reward route for post-quitting weight g…
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TL;DR: A 2026 study in Frontiers in Psychology found that braless images were rated as more attractive but less faithful, while women who feared sexual harassment reported being less likely to go braless in public. Key Findings 409 Slovak women surveyed: Resea…
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TL;DR: A 2026 Communications Biology transcriptomic analysis identified three molecular subtypes of autism spectrum disorder, each linked to a distinct phenotypic profile and biological pathway pattern. Key Findings Three molecular subtypes emerged from transc…
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TL;DR: A 2025 Molecular Psychiatry study of more than 36,000 people found that higher autism polygenic risk was associated with lower MRI-derived neurite density, a measure of neural-fiber packing, across cortex and white matter in both children and adults. Ke…
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