The Briefing
Continuous newsroom coverage of clinically relevant evidence — newest first.
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TBI and Depression Nearly Triple 10-Year Dementia Risk in Veterans
A cohort study of 245,949 veterans shows TBI, depression, and military exposures like Agent Orange significantly increase Alzheimer's risk.
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High-Flow Oxygen Lowers Intubation but Does Not Improve Survival
High-flow nasal cannula therapy reduces intubation rates in acute hypoxemic respiratory failure without altering 28-day mortality.
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Prehospital Whole Blood Shows No Survival Benefit Over Component Therapy
A randomized trial of 616 trauma patients found prehospital whole blood did not reduce 24-hour mortality or massive transfusion needs.
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Altered Cortical Myelination in OCD Links to Specific Symptoms
A multisite MRI analysis reveals that adults with obsessive-compulsive disorder show altered intracortical myelination in frontal regions.
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Consensus Panel Identifies Systemic Barriers to Public Defibrillation
A RAND-UCLA consensus study of 46 international experts highlights poor residential coverage and lack of live registries as major hurdles.
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Web-Based School Program Reduces New-Onset Mental Health Problems
An eight-session internet intervention focused on stress management lowered the one-year incidence of mental health issues from 28% to 21%.
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CD4+ T-Cells Infiltrate Hypocretin Region in Narcolepsy Type 1
Postmortem analysis shows an 11-fold increase in CD4+ T-cells specifically within the hypothalamus, supporting an autoimmune etiology.
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Paid Social Media Boosts Community Outreach in Prehospital Trials
A retrospective review of a 20-site pediatric trial shows paid Facebook ads reach significantly more people than free institutional posts.
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Industrial Dust and Smoking Combine to Increase Multiple Sclerosis Risk
Patients exposed to occupational dust who also smoke and carry the HLA-DRB1*15:01 allele face an 11-fold higher rate of multiple sclerosis.
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NMDA Receptor Ablation in Adolescent Mice Triggers Synaptic Rebound
Removing NMDA receptors in the adolescent mouse prefrontal cortex causes an initial spine loss followed by a compensatory synaptic rebound.
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Acute Care Surgery Frameworks Reduce Time to Intervention by 40 Percent
A decade-long review shows that structured emergency surgery models in Singapore cut intervention times and shortened hospital stays.
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Community Care for HIV, HTN, Diabetes Matches Clinic-Based Model
A trial in Tanzania and Uganda found non-inferior HIV suppression and comparable cardiometabolic control in a community-based model.
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Plasma GFAP and NfL Predict Long-Term Mortality in Older Adults
Elevated baseline levels of GFAP and NfL strongly correlate with future risk of all-cause, dementia, and cardiovascular death.
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Adhesions Drive Most Small Bowel Obstructions in the Virgin Abdomen
A retrospective study of 312 patients shows conservative management is feasible, with a 4.9% mortality rate in non-operative cases.
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Algorithm Predicts Parkinsonism Pathology From Clinical Symptoms
A machine learning tool trained on brain bank data uses 23 clinical parameters to accurately predict post-mortem pathology in parkinsonism.
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Inhibiting USP22 Halts Periodontitis-Linked Brain Inflammation in Mice
Knocking down the enzyme USP22 in mice prevents the periodontal pathogen P. gingivalis from degrading blood-brain barrier tight junctions.
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Women Face Worse Functional Recovery After Intensive Care EEG
Despite similar acute management and mortality, critically ill women are half as likely as men to achieve favorable long-term recovery.
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Baseline Breathing Patterns Predict Post-Seizure Hypoxemia Severity
Measuring respiratory variability between seizures may help identify epilepsy patients at highest risk for severe oxygen desaturation.
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Brain Imaging Maps How Deep Brain Stimulation Alters Parkinson's Circuits
Extensive functional MRI data from 14 patients reveals that cortical connectivity patterns can predict clinical outcomes of stimulation.
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Structured Diagnostic Approach Guides Management of Chronic Diarrhea
A comprehensive clinical review details specific red flags for endoscopic evaluation and outlines empiric therapies that improve symptoms.
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Social Isolation Linked to Mood Episodes in Youth Bipolar Disorder
A scoping review of 522 patients identifies loneliness as a marker of poor psychosocial function and altered neural social processing.
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Decision Tool Reduces Antidepressant Discontinuation in Depression
A web-based system personalizing antidepressant selection kept more patients on therapy at 8 weeks and improved symptoms at 24 weeks.
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Glutamate Levels Link to EEG Hyperexcitability in Borderline Personality Disorder
Metabolic imaging reveals that glutamate ratios in the nucleus accumbens and cingulate cortex correlate with neural instability markers.
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Obinutuzumab Shows High Efficacy in Active Systemic Lupus Erythematosus
A phase 3 trial shows the anti-CD20 antibody obinutuzumab significantly improves clinical responses and reduces flares in active lupus.