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Browsing Tag

Toxins

15 posts
HHealth
Environmental insults reduce gut resilience and initiate convergent mechanisms that drive Parkinson’s disease. A lifetime of environmental insults (including Western diets and food additives, nano- and microplastics, pesticides and herbicides, industrial solvents, and air pollution) act on the intestinal microbiome and barrier. These exposures promote microbiota dysbiosis, disrupt tight junctions, and erode the mucus layer, collectively reducing gut resilience. Once this peripheral defense is compromised, several mechanistic pathways propagate pathology to the brain: (a) amyloid seeding by bacterial functional amyloids, (b) maladaptive T cell education and autoimmune responses, (c) microbiome-driven metabolic shifts that generate neurotoxic metabolites and reduce short-chain fatty acids, and (d) systemic inflammatory amplification. Together, these processes lower the threshold for α-syn misfolding, neuroinflammation, and neurodegeneration.
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Researchers propose that Parkinson’s disease may start in the gut, not the brain

  • March 6, 2026
Scientists propose that Parkinson’s disease may begin far from the brain, where environmental toxins, microbiome disruption, and intestinal…
HHealth
Study finds lower vaccine uptake in children from certain socioeconomic and migration backgrounds
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New strategy targets Porphyromonas gingivalis without harming healthy microbes

  • March 4, 2026
For years, treating gum disease has meant scraping away plaque, cutting out damaged tissue or turning to antibiotics…
HHealth
Single prenatal exposure to fungicide linked to disease across 20 generations
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Single prenatal exposure to fungicide linked to disease across 20 generations

  • February 21, 2026
A single exposure to a toxic fungicide during pregnancy can increase the risk of disease for 20 subsequent…
HHealth
Study: Lubiprostone in chronic kidney disease: Insights into mitochondrial function and polyamines from a randomized phase 2 clinical trial. Image Credit: crystal light / Shutterstock
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Lubiprostone shows signs of slowing kidney function decline in chronic kidney disease

  • December 9, 2025
A phase 2 trial suggests that a drug commonly used for constipation may help preserve kidney function in…
HHealth
Higher PFAS levels reduce blood sugar improvements after teen bariatric surgery
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Higher PFAS levels reduce blood sugar improvements after teen bariatric surgery

  • December 5, 2025
A new USC study shows teens with higher blood levels of per- and polyfluoroalkyl substances (PFAS) measured before…
HHealth
female alcoholic drinking whiskey at home
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Chronic drinking weakens the blood-brain barrier through the gut

  • November 27, 2025
Scientists trace alcohol’s impact from the gut to the brain, uncovering microbial changes that weaken the blood-brain barrier,…
MMedication
Famotidine Injection Recalled in US
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Famotidine Injection Recalled in US

  • November 12, 2025
Fresenius Kabi USA has initiated a voluntary nationwide recall of three lots of famotidine injection, USP 20 mg/2…
SScience
Researchers use genetic engineering to create “product-ready” snakebite antivenom
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Researchers use genetic engineering to create “product-ready” snakebite antivenom

  • November 4, 2025
An international team of researchers has used genetic engineering to create the first ever “product-ready” antivenom for snakes…
HHealth
Toxic compounds from heated e-cigarette fluids can damage lung cells
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Toxic compounds from heated e-cigarette fluids can damage lung cells

  • October 24, 2025
A study by University of California, Riverside, scientists has found that two toxic chemicals can form when the main ingredient…
HHealth
Compact bNIRS technology could become a diagnostic toolkit for dementia
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Impaired movement of cerebrospinal fluid predicts dementia risk later in life

  • October 23, 2025
Problems with the brain’s waste clearance system could underlie many cases of dementia and help explain why poor…
HHealth
Primer: The blood–brain barrier. Image Credit: Love Employee / Shutterstock
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New insights into how the blood-brain barrier safeguards the brain

  • October 21, 2025
By decoding the blood-brain barrier’s intricate structure and function, researchers are paving the way for new therapies that…
HHealth
Nanoplastics with environmental coatings can sneak past the skin's defenses
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Nanoplastics with environmental coatings can sneak past the skin’s defenses

  • October 18, 2025
Plastic is ubiquitous in the modern world, and it’s notorious for taking a long time to completely break…
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