The Briefing

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24 stories
  1. Mental Health Gains Tied to Cessation, Not E-Cigarette Switching
    Journal of Affective Disorders ·Cross-Sectional Study · March 19, 2026

    Mental Health Gains Tied to Cessation, Not E-Cigarette Switching

    A large study links complete cessation to better mental health over time, a benefit not seen in those who switch to e-cigarettes.

  2. Serum Neurofilament Light Chain Identifies Subclinical Axonal Injury in SMA Neonates
    Annals of Neurology ·Cohort Study · March 19, 2026

    Serum Neurofilament Light Chain Identifies Subclinical Axonal Injury in SMA Neonates

    Elevated serum neurofilament light chain levels predict two-year motor outcomes and reveal active denervation before clinical symptoms appear.

  3. CTA Plaque-RADS Predicts Ipsilateral Recurrence in Embolic Stroke
    Neurology ·Cohort Study · March 19, 2026

    CTA Plaque-RADS Predicts Ipsilateral Recurrence in Embolic Stroke

    A standardized scoring system for nonstenotic carotid plaques identifies a distinct ESUS subgroup with a threefold higher risk of recurrence.

  4. US Adult Obesity Projected to Reach 47 Percent by 2035
    JAMA ·Cohort Study · March 19, 2026

    US Adult Obesity Projected to Reach 47 Percent by 2035

    An analysis of over 11 million adults reveals severe racial and geographic disparities as obesity rates continue to climb nationwide.

  5. Maternal Depressive Symptoms Nearly Double Preeclampsia Risk
    Frontiers in Psychiatry ·Meta-Analysis · March 19, 2026

    Maternal Depressive Symptoms Nearly Double Preeclampsia Risk

    A meta-analysis of over 44,000 pregnancies shows early depressive symptoms significantly elevate the risk of hypertensive complications.

  6. Hippocampus-Thalamus Circuit Drives Contextual Hyperactivity in PTSD Mouse Model
    Translational Psychiatry ·Animal Study · March 19, 2026

    Hippocampus-Thalamus Circuit Drives Contextual Hyperactivity in PTSD Mouse Model

    A specific glutamatergic pathway may be a therapeutic target for context-dependent arousal symptoms.

  7. Consensus Algorithm Standardizes Rural Air Medical Transport Triage
    Prehospital Emergency Care ·Consensus Statement · March 19, 2026

    Consensus Algorithm Standardizes Rural Air Medical Transport Triage

    A multidisciplinary panel used a Delphi survey to identify 18 patient factors and 6 interventions that warrant helicopter transport.

  8. Oral Celecoxib and Ciprofloxacin Slow Functional Decline in ALS
    JAMA Neurology ·Randomized Controlled Trial · March 19, 2026

    Oral Celecoxib and Ciprofloxacin Slow Functional Decline in ALS

    A phase 2b trial shows the fixed-dose combination is safe and reduces the risk of severe complications over 18 months in early-stage ALS.

  9. Nicotine Rewires Habenular Circuits in Mice, Altering Food Motivation
    Biological Psychiatry ·Animal Study · March 19, 2026

    Nicotine Rewires Habenular Circuits in Mice, Altering Food Motivation

    Chronic nicotine exposure in mice disrupts top-down control of the LDT-VTA cholinergic axis, driving exaggerated food-seeking behavior.

  10. Vitamin C Reverses Depression-Like Behavior in Female Mice via D2 Receptors
    Brain Research ·Animal Study · March 19, 2026

    Vitamin C Reverses Depression-Like Behavior in Female Mice via D2 Receptors

    A single dose of ascorbic acid restored dopamine D2 receptor signaling in the prefrontal cortex, rapidly alleviating depression in mice.

  11. Inhibiting RhoA in Rat Prefrontal Cortex Reduces Morphine Dependence
    Brain Research ·Animal Study · March 19, 2026

    Inhibiting RhoA in Rat Prefrontal Cortex Reduces Morphine Dependence

    Blocking the RhoA pathway in rats reduces opioid-induced neuroplasticity and limits glutamate spillover, offering a specific addiction target.

  12. Epigenetic Target HDAC5 Reduces Environment-Triggered Cocaine Seeking in Rats
    Biological Psychiatry ·Animal Study · March 19, 2026

    Epigenetic Target HDAC5 Reduces Environment-Triggered Cocaine Seeking in Rats

    In a rat model, overexpressing the enzyme HDAC5 in the prelimbic cortex shifted synaptic balance to suppress context-driven cocaine seeking.

  13. Cognitive Status Remains Key Predictor of Dementia Risk Alongside p-tau181
    Neurology ·Cohort Study · March 19, 2026

    Cognitive Status Remains Key Predictor of Dementia Risk Alongside p-tau181

    ARIC data show that while p-tau181 is prognostic, the absolute risk of dementia remains low in cognitively unimpaired individuals.

  14. Young Children Require Higher Benzodiazepine Doses for PICU Ventilation
    Journal of Intensive Care Medicine ·Cohort Study · March 19, 2026

    Young Children Require Higher Benzodiazepine Doses for PICU Ventilation

    A retrospective cohort study reveals that children under five receive significantly higher weight-adjusted doses of midazolam and lorazepam.

  15. Social Anxiety Affects Nearly Half of College Students
    Frontiers in Psychiatry ·Cross-Sectional Study · March 19, 2026

    Social Anxiety Affects Nearly Half of College Students

    An analysis of 5,996 students reveals a 47.9% incidence of social anxiety, with gender, grade, and physical activity as top predictors.

  16. Caffeinated Coffee and Tea Lower Dementia Risk; Decaf Shows No Benefit
    JAMA ·Cohort Study · March 19, 2026

    Caffeinated Coffee and Tea Lower Dementia Risk; Decaf Shows No Benefit

    A 43-year prospective study of 131,821 adults reveals that 2 to 3 cups of caffeinated coffee daily significantly reduces incident dementia.

  17. Cross-Ancestry Analysis Identifies Shared Genetic Risk for Major Psychiatric Disorders
    Molecular psychiatry ·Genome-Wide Association Study · March 19, 2026

    Cross-Ancestry Analysis Identifies Shared Genetic Risk for Major Psychiatric Disorders

    Researchers identified 403 genetic loci and specific cellular pathways common to schizophrenia, bipolar disorder, and depression.

  18. Glioblastoma Cells Hijack Fetal Neural Stem Cell Motors to Spread
    Neuron ·In Vitro Study · March 19, 2026

    Glioblastoma Cells Hijack Fetal Neural Stem Cell Motors to Spread

    Glioblastoma cells use the same dynein-driven and actomyosin-dependent motors as fetal neural stem cells to invade surrounding tissue.

  19. Apps for Alcohol Use Do Not Improve Mood Beyond Standard Care
    Journal of Affective Disorders ·Randomized Controlled Trial · March 19, 2026

    Apps for Alcohol Use Do Not Improve Mood Beyond Standard Care

    In a randomized trial, digital tools added to standard care did not further reduce depression or anxiety in adults with alcohol dependence.

  20. Intracortical Implant Enables Paralyzed Patients to Type 22 Words Per Minute
    Nature Neuroscience ·Case Series · March 19, 2026

    Intracortical Implant Enables Paralyzed Patients to Type 22 Words Per Minute

    By decoding attempted finger movements, a neuroprosthesis allows patients with tetraplegia to type on a virtual QWERTY keyboard.

  21. Bedside Score Predicts Successful Dialysis Discontinuation in ICU Patients
    Intensive care medicine ·Cohort Study · March 19, 2026

    Bedside Score Predicts Successful Dialysis Discontinuation in ICU Patients

    The UNDERSCORE tool uses six routine clinical variables to help physicians determine if critically ill patients can safely stay off dialysis.

  22. East Asian Registry Details Distinct Demyelinating Disease Profile
    Neurology ·Registry Study · March 18, 2026

    East Asian Registry Details Distinct Demyelinating Disease Profile

    A Korean registry reveals that antibody-mediated conditions account for nearly half of central nervous system demyelinating cases.

  23. Algorithm Predicts Mortality in Carbapenem-Resistant ICU Infections
    Journal of Intensive Care Medicine ·Cohort Study · March 18, 2026

    Algorithm Predicts Mortality in Carbapenem-Resistant ICU Infections

    A LightGBM model using routine clinical data accurately predicted 15-day mortality, highlighting coagulopathy and time to antibiotics.

  24. Opioid Medications Halve Mortality but Reach Only a Quarter of Patients
    JAMA ·Narrative Review · March 18, 2026

    Opioid Medications Halve Mortality but Reach Only a Quarter of Patients

    A clinical review details how optimizing methadone, buprenorphine, and naloxone can close the treatment gap and reduce all-cause mortality.