Environmental Enrichment Reversed Stress-Linked Visceral Pain Through CB1 Receptors

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Environmental Enrichment Reversed Stress-Linked Visceral Pain Through CB1 Receptors

TL;DR: A study in Communications Biology found that environmental enrichment, richer housing with objects, running space, and novelty, reduced early-life-stress-linked visceral pain and depression-like behavior in rats while normalizing a CB1 receptor-sensitive prefrontal-limbic stress circuit. Key Findings Early stress model: Researchers used neonatal colorectal distension (CRD), a controlled early-life gut stressor, in male and female …

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Early Regular Adult-Content Viewing Linked to Higher Distress Profile

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Early Regular Adult-Content Viewing Linked to Higher Distress Profile

TL;DR: A 2026 study in Computers in Human Behavior grouped 1,316 U.S. adults by when they first saw sexually explicit media and when regular viewing began; the highest distress appeared in people who moved into regular viewing early, while late regular engagement looked lower-risk in this cross-sectional survey. Key Findings Three trajectories emerged: researchers identified …

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Duloxetine Withdrawal Linked to Acute PGAD-Like Episode in Case Report

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Duloxetine Withdrawal Linked to Acute PGAD-Like Episode in Case Report

TL;DR: A 2026 paper in Current Therapeutic Research described an acute PGAD-like genital arousal episode after self-initiated duloxetine withdrawal, with symptoms resolving within 5 hours after emergency admission and no recurrence over 36 months. Key Findings 59-year-old patient: The case involved a woman with multiple sclerosis, fibromyalgia, restless legs syndrome, overactive bladder, and mixed anxiety-depressive …

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Divorce Risk Predicted Political Distrust Among Fathers

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Divorce Risk Predicted Political Distrust Among Fathers

TL;DR: A 2026 longitudinal study in Acta Sociologica found that partnered fathers who perceived a higher risk of divorce showed greater declines in political trust over time, especially when the worry persisted. Key Findings Father-specific link: Perceived divorce risk predicted declining political trust among partnered men with children. No broad effect: The same pattern was …

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Depression Severity Linked to Brain Energy Landscape State-Transition Entrapment

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Depression Severity Linked to Brain Energy Landscape State-Transition Entrapment

TL;DR: A 2026 study in Nature Communications used resting-state functional MRI (fMRI) to link major depressive disorder to more frequent but shorter visits to a salience-dominated brain state. Key Findings Resting-state fMRI compared depression with controls: the analysis included 38 adults with major depressive disorder and 38 healthy controls. Structural-connectivity modeling used a smaller subset: …

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CYP2C19 Metaboliser Status Linked to DNA Methylation Patterns

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CYP2C19 Metaboliser Status Linked to DNA Methylation Patterns

TL;DR: A 2026 methylome-wide study in Clinical Epigenetics found that genetically inferred CYP2C19 metaboliser status, a pharmacogenomic marker relevant to antidepressant handling, was associated with DNA methylation patterns in a large Scottish cohort. Key Findings 18,396-person discovery cohort: Generation Scotland supplied the main genetic and DNA methylation analysis for CYP2C19 metaboliser status. 48 quadratic CpG …

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Conservative Social Attitudes Linked to Higher Fertility Across 72 Countries

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Conservative Social Attitudes Linked to Higher Fertility Across 72 Countries

TL;DR: A 2026 study in Evolutionary Psychological Science linked more conservative social attitudes with a slightly higher reported number of biological children across 72 countries, with stronger patterns for women on some attitude measures. Key Findings Cross-national sample: the final analytic sample covered 78,754 adults from 72 countries after missing-data and country-size exclusions. Conservative attitude …

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Positive Emoji Use Tracked College Student Mental Health in Smartphone Study

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Positive Emoji Use Tracked College Student Mental Health in Smartphone Study

TL;DR: A 2026 Research Square preprint followed 120 college students with a smartphone app and found that a higher share of positive emoji check-ins was the most consistent digital marker tied to lower depression, lower anxiety, and higher flourishing. Key Findings 120-student smartphone study: The app combined brief emoji check-ins, symptom questionnaires, voice samples, GPS-derived …

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Coherent Breathing Improved Recovery Markers in Trained Athletes

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Coherent Breathing Improved Recovery Markers in Trained Athletes

TL;DR: A 2026 randomized study in The Journal of Strength and Conditioning Research found that coherent breathing, a slow 6-breaths-per-minute breathing routine, improved several recovery markers in highly trained 400-meter athletes under repeated race stress without improving race times. Key Findings 22 trained athletes: Researchers randomized 11 athletes to usual recovery and 11 athletes to …

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Clomipramine Inhibited Itch and Improved Memory in Alzheimer’s Mice

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Clomipramine Inhibited Itch and Improved Memory in Alzheimer's Mice

TL;DR: A 2026 mouse study in iScience found that blocking Itch, an E3 ubiquitin ligase involved in protein tagging, improved several memory-test readouts in an Alzheimer’s disease mouse model and reduced neuronal apoptosis, including when researchers used the existing drug clomipramine. Key Findings Two Itch strategies: Researchers tested AAV-delivered loss-of-function Itch mutants and clomipramine, a …

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