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Browsing Tag

Stress

204 posts
MMental health
YourTango
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Doing 3 Of These 10 Things In Your Sleep Means Unusually High Stress

  • December 20, 2025
Your body could actually be trying to send you a message through your sleep habits that your stress…
MMental health
Bangkok Post - How to avoid stress from news overload
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Bangkok Post – How to avoid stress from news overload

  • December 19, 2025
News headlines often focus on stressful and negative events – be it daily crime, politics,  disasters or wars…
HHealth
Study reveals differing prescribing patterns for menopause therapy
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Researchers discover that a hormone can access the brain by hitchhiking

  • December 16, 2025
Researchers at Touro University Nevada have discovered that tiny particles in the blood, called extracellular vesicles (EVs), are…
MMental health
YourTango
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10 Smart Ways People Handled Stress In The 1970s That Modern Generations Won’t Even Try

  • December 14, 2025
While the idea of “wellness” today has been misconstrued with consumerism and immediate gratification, the true roots of…
HHealth
Etomidate proves safer than ketamine for emergency intubations
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Etomidate proves safer than ketamine for emergency intubations

  • December 13, 2025
Doctors treating seriously ill patients in an emergency setting may want to give the sedative etomidate, rather than ketamine,…
SScience
Researchers discover how plants produce cancer-fighting mitraphylline
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Glycation stress drives aortic stiffening through oxidative stress and senescence

  • December 13, 2025
A new research paper was published in Volume 17, Issue 11 of Aging-US on November 14, 2025, titled “Methylglyoxal-induced glycation stress…
HHealth
Study: Mapping the genetic landscape across 14 psychiatric disorders. Image Credit: GrAl / Shutterstock
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Massive genetics study shows what truly separates and unites 14 psychiatric disorders

  • December 12, 2025
A sweeping genomic analysis reveals how psychiatric disorders cluster into five biological families, exposing shared pathways and pinpointing…
HHealth
Cellular responses to ischemic reperfusion injury in young vs older donor organs. During ischemia, the deprivation of oxygen and nutrients leads to mitochondrial dysfunction and energy loss. In young cells, mitochondrial resilience helps sustain ATP production, ameliorating damage. Old cells, in contrast, experience significant ATP depletion, relying heavily on anaerobic metabolism, which leads to lactate buildup, pH reduction, and cellular stress. Upon reperfusion, the restoration of blood flow triggers oxidative stress as mitochondria generate excessive reactive oxygen species (ROS). Young cells compensate for those events through robust antioxidant systems, maintaining cellular integrity. Conversely, in old cells, impaired antioxidant defenses result in unregulated ROS production, furthermore damaging membranes, organelles, and DNA. Additionally, old cells release pro-inflammatory genes, amplifying local inflammation. Consequences are particularly severe in aged vascular endothelial cells, with ion pump dysfunction (e.g., Na⁺/K⁺ ATPase) causing ionic imbalances and cellular edema. This disruption exacerbates ischemic injury, progressing to irreversible damage. In contrast, young cells effectively resolve edema and inflammation through mechanisms that include macrophage945 mediated clearance of Damage-Associated Molecular Patterns (DAMPs) and anti-inflammatory cytokine release (e.g., IL-10 and TGF-β), allowing recovery and tissue repair. In old cells, persistent ROS generation, unresolved inflammation, and DAMP accumulation lead to irreversible inflammation, organelle collapse, and eventual cell death. Created in BioRender. Kayumov, M. (2025) https://BioRender.com/m23u7ro .
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Scientists outline how organ rejuvenation strategies could solve the donor shortage

  • December 12, 2025
New insights into cellular aging, perfusion technologies, and senescence-targeting treatments show how aging organs could be revived, turning…
SScience
Study: Acute Impact of Polyphenol-Rich vs. Carbohydrate-Rich Foods and Beverages on Exercise-Induced ROS and FRAP in Healthy Sedentary Female Adults - A Randomized Controlled Trial. Image Credit: Improvisor / Shutterstock
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How specific foods reshape oxidative stress responses during and after high-intensity training

  • December 12, 2025
A new randomized trial reveals how simple food choices before and after fasted HIIT can shift the body’s…
MMental health
Wisconsin psychiatrist offers mental health coping tips as winter weather continues
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Wisconsin psychiatrist offers mental health coping tips as winter weather continues

  • December 11, 2025
MADISON, Wis. (WMTV) – Record-breaking snowfall this early in the season can add stress during the busy holiday…
SScience
Newly discovered biological pathway explains clotting risk in people with type 2 diabetes
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Collaborative project seeks safer therapies for ischemia and reperfusion injury

  • December 11, 2025
Southwest Research Institute (SwRI) and Trinity University will improve a prodrug, a compound activated in the body, to…
TTechnology
Study: Artificial intelligence model as a tool to predict prediabetes. Image Credit: CI Photos / Shutterstock
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AI model identifies prediabetes risk with high accuracy

  • December 10, 2025
By combining oxidative stress biology with advanced machine learning, researchers show how a simple blood-based antioxidant measure can…
Ireland
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