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Browsing Tag

nervous system

23 posts
HHealth
Immune cells communicate across a continuous, bidirectional circuit between the CNS and periphery. Immune cells from across the body engage CNS tissues and, in turn, are shaped by signals returning from the brain. (Left) Under peripheral equilibrium, immune effectors mobilized from visceral organs, secondary lymphoid organs, hematopoietic tissues, and the peripheral nervous system (PNS) - including CD4+ and CD8+ T cells, B cells, monocytes (top 3 cell types), NK cells, dendritic cells, mast cells, neutrophils, and innate lymphoid cells (bottom cluster of cells) - engage the CNS in a homeostatic dialogue that supports neural cell health, plasticity, and repair, sustaining a protective environment. (Right) Age-associated dysfunction across the same peripheral compartments reshapes this circuit: altered immune effectors enter the CNS and contribute to shifting the local environment toward a degenerative state in which microglia adopt disease-associated programs, astrocytes become reactive, and neurons accumulate pathology. This model underscores how the same circuitry can yield protective or pathogenic outcomes and that neurodegeneration is downstream of dysfunctional brain-immune crosstalk. Study: Neurodegeneration as a dysregulation of neuroimmune crosstalk
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Disrupted brain-immune signaling may help drive neurodegeneration

  • August 24, 2026
From gut-primed T cells to microglial signaling and persistent gene-regulatory states, researchers map an intricate immune network that…
MMental health
11 of the most stressful movies fans say they’ve ever seen
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11 of the most stressful movies fans say they’ve ever seen

  • July 17, 2026
Some films are relaxing escapes from the daily grind, but others are scripted entirely to test the limits…
SScience
Ancient fossil may hold clues to right-handedness
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Ancient fossil may hold clues to right-handedness

  • July 10, 2026
Fossils reveal the earliest animal with a head was also the oldest known ‘righty’ If you happen to…
SScience
Scientists develop first-ever ‘smell map’ of receptors in noses | Health
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Scientists develop first-ever ‘smell map’ of receptors in noses | Health

  • April 29, 2026
(Photo by Andrea Piacquadio via Pexels) By Talker By Stephen Beech The first-ever “smell map” has been created…
HHealth
Mom’s menopause hot flashes leads to brain tumor diagnosis | Health
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Mom’s menopause hot flashes leads to brain tumor diagnosis | Health

  • March 25, 2026
Kerry Brown in the hospital. (Brain Tumour Research via SWNS) By Amy Reast A mom put her hot…
HHealth
Lower hinge of immunoglobulin G acts as a critical immune control hub
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Investigating microglia’s role in Alzheimer’s pathology

  • March 2, 2026
Announcing a new article publication for BIO Integration journal. Alzheimer’s disease (AD) is a neurodegenerative disorder and the…
HHealth
Doctor giving a senior woman a vaccination.
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A shingles vaccine may delay dementia onset

  • January 29, 2026
A clever natural experiment in Canada suggests a routine shingles vaccine may do more than prevent rash. Instead,…
SScience
New computational method reconstructs how cells decide their fate
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Stimulating immune cells could offer new treatment for nerve injury pain

  • January 8, 2026
Researchers at The University of Texas MD Anderson Cancer Center have discovered that targeting a specific immune process…
MMental health
Constantly worried and overwhelmed? Therapist shares 8 tips to manage anxiety
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Constantly worried and overwhelmed? Therapist shares 8 tips to manage anxiety

  • December 19, 2025
Anxiety is a natural sense of dread, especially when you are anticipating an upcoming event. It can even…
MMental health
Yahoo entertainment home
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Gwyneth Paltrow “Filled With Dread” Amid Struggle With Anxiety

  • November 14, 2025
Originally appeared on E! Online Gwyneth Paltrow is navigating her mental health journey. The 53-year-old shared rare insight…
HHealth
Ever feel the need to switch off? Your vagus nerve might hold the key
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Ever feel the need to switch off? Your vagus nerve might hold the key

  • November 9, 2025
It’s the body’s superhighway that carries information from your brain to your major organs. You might not have…
HHealth
Harnessing nanotechnology to deliver CBD to the brain for neuropathic pain relief
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Harnessing nanotechnology to deliver CBD to the brain for neuropathic pain relief

  • November 8, 2025
Reaching for CBD-infused lotion or oil may seem like a low-risk way to find pain relief, but little…
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