Health & Wellness

Flexible Polyimide Brain Implants Lowered Tissue Reactivity

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Flexible Polyimide Brain Implants Lowered Tissue Reactivity

TL;DR: A 2026 study in Advanced Science found that flexible polyimide brain-implant probes produced lower long-term tissue reactivity than stiff silicon electrodes, while thinner probe designs and skull-detached mounting mattered less than the implant material itself. Key Findings Material mattered most: Flexible polyimide probes triggered less brain-tissue reactivity than stiff silicon electrodes. Not reaction-free: Polyimide …

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Mouse Smell Receptors Followed a Spatial Code Linked to Brain Maps

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Mouse Smell Receptors Followed a Spatial Code Linked to Brain Maps

TL;DR: A 2026 mouse study in Cell found that olfactory receptor neurons, the smell-sensing cells in the nose, were arranged in spatial bands that lined up with matching sensory maps in the brain’s olfactory bulb. Key Findings Organized receptor bands: Researchers found that odor receptor neurons were not randomly scattered across the mouse nose; receptor …

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Depression Linked to Lower Quality of Life in Older Adults in Nepal

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Depression Linked to Lower Quality of Life in Older Adults in Nepal

TL;DR: A 2026 cross-sectional study in BMC Geriatrics found that 43.9% of 945 older adults in Nepal’s Sudurpaschim Province screened positive for geriatric depression, and depression was linked to lower quality-of-life scores across every WHOQoL-8 domain. Key Findings Large household sample: Researchers interviewed 945 adults aged 60 years and older in Hill and Tarai districts …

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Problematic Sexual Behaviour Linked to NSSI Most Strongly in Women

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Problematic Sexual Behaviour Linked to NSSI Most Strongly in Women

TL;DR: A 2026 medRxiv preprint found that problematic sexual behaviour was associated with non-suicidal self-injury in a university cohort, with the strongest pattern in women. Key Findings 2,666 people were analyzed: The study included 2,189 university participants and 477 clinical patients with problematic sexual behaviour. NSSI rates were similar overall: Non-suicidal self-injury was reported by …

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Newborn Metabolomics Linked Prenatal Air Pollution to Autism Risk Pathways

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Newborn Metabolomics Linked Prenatal Air Pollution to Autism Risk Pathways

TL;DR: A 2026 study in Journal of Exposure Science & Environmental Epidemiology linked prenatal PM2.5 and non-freeway NOx exposure with newborn amino-acid metabolism pathways that also tracked autism spectrum disorder (ASD) diagnosis before age 5. Key Findings 100 newborn blood spots: Researchers analyzed 50 children later diagnosed with ASD and 50 matched controls from Kaiser …

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Maternal COVID Immune Signatures Were Linked to Infant Neurodevelopmental Screening Risk

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Maternal COVID Immune Signatures Were Linked to Infant Neurodevelopmental Screening Risk

TL;DR: A 2026 Communications Biology study associated maternal SARS-CoV-2 infection during pregnancy with more positive toddler autism-risk screens and newborn immune-protein patterns tied to nicotinamide metabolism, microglial activation, and neutrophil activity. Key Findings Positive M-CHAT-R/F screens, a toddler autism-risk screening result, occurred in 10.1% of 218 SARS-CoV-2-exposed children versus 5.7% of 527 pre-pandemic controls. Earlier …

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Major Upper-Limb Amputation Linked to Higher Mental Health Diagnoses

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Major Upper-Limb Amputation Linked to Higher Mental Health Diagnoses

TL;DR: A 2026 retrospective database study in Archives of Orthopaedic and Trauma Surgery found that people with major upper-extremity amputations had higher one-year rates of new mental-health diagnoses, antidepressant starts, and psychotherapy use than matched patients with minor hand or digit amputations. Key Findings Matched database study: Researchers compared 1,226 major upper-extremity amputation patients with …

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GLP-1 Receptor Agonists Linked to Small Hypersomnolence Risk Increase

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GLP-1 Receptor Agonists Linked to Small Hypersomnolence Risk Increase

TL;DR: A 2026 real-world cohort study in Journal of Diabetes & Metabolic Disorders linked GLP-1 receptor agonists, drugs targeting a glucose-related metabolic hormone pathway, to a higher hazard of new hypersomnolence, but the absolute risk increase was small. Key Findings 237,986 matched patients: The TriNetX analysis compared 118,993 GLP-1 receptor agonist users with 118,993 matched …

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Esketamine-Sufentanil PCA Reduced Postoperative Depression Scores

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Esketamine-Sufentanil PCA Reduced Postoperative Depression Scores

TL;DR: A 2026 randomized trial in Scientific Reports found that adding esketamine to sufentanil patient-controlled analgesia lowered short-term postoperative depression and anxiety scores in elderly colorectal cancer surgery patients, without improving pain scores or increasing adverse events. Key Findings Three randomized groups: 91 older colorectal cancer surgery patients completed follow-up after assignment to sufentanil alone, …

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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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