The Briefing

Continuous newsroom coverage of clinically relevant evidence — newest first.

This week

18 stories
  1. Memory Deficits Persist in Multiple Sclerosis Despite Preserved Processing Speed
    Brain ·Cohort Study · May 14, 2026

    Memory Deficits Persist in Multiple Sclerosis Despite Preserved Processing Speed

    Modern treatment eras show a shift where cognitive slowing is no longer the primary deficit in relapsing-remitting multiple sclerosis.

  2. Current Late-Life Depression Linked to Specific Right Hippocampal Subregion Volume Reductions
    PubMed ·Cross-Sectional Study · May 14, 2026

    Current Late-Life Depression Linked to Specific Right Hippocampal Subregion Volume Reductions

    A new study details distinct hippocampal volume alterations in currently depressed older adults, differentiating them from remitted states.

  3. Patient-Level Adherence Drives Enhanced Recovery Benefits in Pediatric GI Surgery
    JAMA Surgery ·Randomized Controlled Trial · May 14, 2026

    Patient-Level Adherence Drives Enhanced Recovery Benefits in Pediatric GI Surgery

    A stepped-wedge trial shows that while site-level ERP implementation may not reduce length of stay, patient-level adherence does.

  4. REM Sleep EEG Slowing Linked to Cholinergic Denervation in Older Adults
    Molecular Psychiatry ·Cohort Study · May 14, 2026

    REM Sleep EEG Slowing Linked to Cholinergic Denervation in Older Adults

    Specific REM sleep electroencephalogram patterns correlate with brain cholinergic integrity, potentially aiding early diagnosis in Alzheimer's disease

  5. Bone Marrow Iron Predicts Mortality in Cirrhosis with Normal Liver Iron
    European Radiology ·Cohort Study · May 14, 2026

    Bone Marrow Iron Predicts Mortality in Cirrhosis with Normal Liver Iron

    Vertebral R2* relaxometry identifies a high-risk subgroup of patients with cirrhosis facing a fourfold increase in five-year mortality.

  6. Aerobic, Combined, and HIIT Exercise Lower Ambulatory Blood Pressure in Hypertension
    British Journal of Sports Medicine ·Meta-Analysis · May 14, 2026

    Aerobic, Combined, and HIIT Exercise Lower Ambulatory Blood Pressure in Hypertension

    A network meta-analysis clarifies the impact of various exercise types on 24-hour blood pressure in adults with hypertension.

  7. Maternal Fasting in Mice Induces Schizophrenia-Related Phenotypes
    Molecular Psychiatry ·Animal Study · May 14, 2026

    Maternal Fasting in Mice Induces Schizophrenia-Related Phenotypes

    A mouse model links transient fasting during early gestation to epigenetic changes and altered neural circuitry in offspring.

  8. Focal Brain Lesions Pinpoint Common OCD Network and Treatment Targets
    Biological Psychiatry ·Cohort Study · May 14, 2026

    Focal Brain Lesions Pinpoint Common OCD Network and Treatment Targets

    A systematic review identifies a shared brain network in lesional and primary OCD, aligning with neuroimaging and neuromodulation sites.

  9. Cryoablation Reduces Umbilical Endometriosis Pain and Volume in Outpatient Study
    European Radiology ·Cohort Study · May 14, 2026

    Cryoablation Reduces Umbilical Endometriosis Pain and Volume in Outpatient Study

    Percutaneous image-guided cryoablation achieved 82% complete pain relief and 73% volume reduction for umbilical endometriosis.

  10. High Antiplatelet Resistance, Elevated von Willebrand Factor in Vascular Surgery Patients
    Anaesthesia ·Cohort Study · May 14, 2026

    High Antiplatelet Resistance, Elevated von Willebrand Factor in Vascular Surgery Patients

    A new study reveals a high prevalence of antiplatelet resistance, particularly to clopidogrel, and elevated von Willebrand factor in patients undergoi

  11. Habenula Hyperconnectivity in Autism Linked to Social Deficits
    Biological psychiatry. Cognitive neuroscience and neuroimaging ·Cohort Study · May 14, 2026

    Habenula Hyperconnectivity in Autism Linked to Social Deficits

    A large-scale rs-fMRI study identifies specific habenula functional connectivity alterations in autistic individuals, impacting social motivation…

  12. Age, Sex, and Initial Diagnosis Shape Mental Disorder Trajectories
    JAMA Psychiatry ·Cohort Study · May 14, 2026

    Age, Sex, and Initial Diagnosis Shape Mental Disorder Trajectories

    A large Danish cohort study details how initial diagnosis, age, and sex influence diagnostic shifts and healthcare utilization.

  13. Lower Oxygen Saturation Target Reduces Pediatric Hospital Stay, Oxygen Therapy
    PubMed ·Randomized Controlled Trial · May 14, 2026

    Lower Oxygen Saturation Target Reduces Pediatric Hospital Stay, Oxygen Therapy

    A multicenter trial suggests targeting 88% peripheral oxygen saturation in children with acute respiratory illness shortens hospitalizations.

  14. Percutaneous Cryoablation Reduces Pain and Volume in Umbilical Endometriosis
    European Radiology ·Cohort Study · May 14, 2026

    Percutaneous Cryoablation Reduces Pain and Volume in Umbilical Endometriosis

    A retrospective study of 17 patients shows high satisfaction and significant symptom relief with an outpatient interventional approach.

  15. FDA-Approved Therapies and Multidisciplinary Care Extend Survival in ALS
    JAMA ·Narrative Review · May 14, 2026

    FDA-Approved Therapies and Multidisciplinary Care Extend Survival in ALS

    New clinical data highlight the role of genetic testing and targeted therapies in managing progressive motor neuron degeneration.

  16. Gene Expression Score Predicts Survival in Myelofibrosis
    Blood ·Prognostic Study · May 14, 2026

    Gene Expression Score Predicts Survival in Myelofibrosis

    A 24-gene signature derived from stem cells identifies high-risk patients missed by current clinical and mutation-based scoring systems.

  17. JMJD1C Deficiency Drives Pathogenic Antibody Production in Heparin-Induced Thrombocytopenia
    Blood ·Preclinical Study · May 14, 2026

    JMJD1C Deficiency Drives Pathogenic Antibody Production in Heparin-Induced Thrombocytopenia

    Loss of the histone demethylase JMJD1C triggers B-cell hyperactivation and the production of platelet-activating antibodies.

  18. FGF14 Repeat Expansions Identified in Patients with Parkinson's Disease
    Brain ·Cohort Study · May 14, 2026

    FGF14 Repeat Expansions Identified in Patients with Parkinson's Disease

    Long-read sequencing reveals that a genetic variant linked to ataxia also occurs in patients meeting clinical criteria for Parkinson's.

Earlier

6 stories
  1. Acupuncture and Herbal Formula Improve Visual Acuity in Optic Atrophy
    Brain Research ·Randomized Controlled Trial · May 13, 2026

    Acupuncture and Herbal Formula Improve Visual Acuity in Optic Atrophy

    Combining acupuncture with Jieyu Huoxue Formula reduces blood viscosity and increases peak systolic velocity to protect the optic nerve.

  2. Extracorporeal Limb Perfusion Does Not Exacerbate Bleeding in Porcine Trauma Model
    Journal of Trauma: Injury, Infection, and Critical Care ·Animal Study · May 13, 2026

    Extracorporeal Limb Perfusion Does Not Exacerbate Bleeding in Porcine Trauma Model

    A study of Lower Extremity Extracorporeal Distal Revascularization shows stable clot integrity despite uncontrolled vascular injuries.

  3. Tirzepatide Reduces Major Kidney Events More Than Dulaglutide
    lancet. Diabetes & endocrinology ·Randomized Controlled Trial · May 13, 2026

    Tirzepatide Reduces Major Kidney Events More Than Dulaglutide

    In patients with type 2 diabetes and cardiovascular disease, tirzepatide lowered the risk of renal outcomes by 23% over four years.

  4. Commercial AI for Lung Cancer Screening Lacks Full Guideline Alignment
    European Radiology ·Narrative Review · May 13, 2026

    Commercial AI for Lung Cancer Screening Lacks Full Guideline Alignment

    An analysis of 16 CE-marked products reveals gaps in managing cystic lesions and a lack of prospective evidence for patient outcomes.

  5. Cerebrotendinous Xanthomatosis Drives Recurrent Stroke After PFO Closure
    Neurology ·Case Report · May 13, 2026

    Cerebrotendinous Xanthomatosis Drives Recurrent Stroke After PFO Closure

    A 23-year-old's recurrent M1 occlusion reveals how metabolic drivers of premature atherosclerosis can mimic or coexist with structural defects.

  6. Intra-Arterial Alteplase Improves Recovery After Successful Thrombectomy
    JAMA ·Randomized Controlled Trial · May 13, 2026

    Intra-Arterial Alteplase Improves Recovery After Successful Thrombectomy

    Adjunctive thrombolysis increased 90-day functional independence by 15% but was associated with a nearly 6% increase in mortality.