UK biobank

Chronic Pain With Depression Had a Distinct Brain Structure Profile

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Chronic Pain With Depression Had a Distinct Brain Structure Profile

TL;DR: A 2026 preprint UK Biobank neuroimaging study in medRxiv found that the comorbidity group showed widespread lower cortical volume, subcortical differences, and white matter microstructure alterations, while several alterations appeared unique to the chronic pain-depression comorbidity group. Key Findings Evidence map: a cross-sectional neuroimaging analysis comparing comorbid chronic pain and depression with pain-only, depression-only, …

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Childhood and Adult Adversity Linked to Biological Aging Markers

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Childhood and Adult Adversity Linked to Biological Aging Markers

TL;DR: A 2026 BMC Medicine study of UK Biobank adults linked adversity in both childhood and adulthood to higher frailty, older metabolomic age profiles, lower grip strength, and some telomere differences, with the clearest associations in people reporting multiple adverse events. Key Findings Large cohort: The study analyzed up to 153,557 middle-aged and older UK …

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Autism Polygenic Scores Predicted Lower Brain Neurite Density in 36,000 People

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Autism Polygenic Scores Predicted Lower Brain Neurite Density in 36,000 People

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. Key Findings Higher autism polygenic score predicted lower neurite density: Across over 36,000 individuals, a robust …

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Vigorous Exercise Predicted Lower Dementia Risk in UK Biobank Accelerometer Data

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Vigorous activity linked to lower dementia risk in UK Biobank accelerometer data

Vigorous Activity Linked to Lower Dementia Risk in UK Biobank TL;DR: In UK Biobank accelerometer data, the vigorous share of daily movement accounted for 32% of dementia’s population-attributable fraction versus just 8% for total activity volume — suggesting brief breathless bursts carry brain-health information that step counts miss. Key Findings Dementia favored intensity over volume: …

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Fish Oil Supplements: UK Biobank Study Reveals 44 Favorable Health Outcomes

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Fish Oil Supplements Aren’t the Villain TL;DR: A comprehensive review of the UK Biobank found that fish oil supplements show favorable associations with health outcomes—not harmful ones—contradicting recent alarming headlines about atrial fibrillation risk. When a major study claims fish oil supplements increase heart arrhythmia risk, the headlines scream. But what happens when researchers dig …

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Smoking & Mental Health Problems: Unraveling The Complex Relationship

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Cigarette smoking and mental health problems often go hand-in-hand. But which one typically comes first? And how much does our genetic makeup contribute to this risky combo? New research examined these questions by analyzing long-term health data on over 300,000 people in the UK. Key Facts: Smoking initiation typically happened in adolescence, before the first …

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