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Even Mild COVID Could Damage Your Brain—Here’s What Scientists Just Found
In an investigation spearheaded by researchers from Imperial College London in collaboration with the UK Dementia Research Institute, compelling correlations have surfaced between prior COVID-19 infections and elevated levels of biomarkers associated with aberrant amyloid proteins—widely acknowledged as a cardinal feature of Alzheimer’s pathology.
The ramifications of these findings suggest that individuals who have previously contracted COVID-19 exhibit biochemical alterations in the brain akin to an accelerated aging process of approximately four years. Notably, the most pronounced deviations were observed in those who had endured severe manifestations of the virus or possessed pre-existing conditions such as hypertension and a history of tobacco consumption—both established precursors of neurodegenerative decline, according to reports by technologynetworks.com.
According to the research cohort, even mild-to-moderate cases of COVID-19 may expedite neuropathological mechanisms contributing to the aggregation of amyloid plaques in the brain. These revelations fortify the hypothesis that SARS-CoV-2 infection could amplify the likelihood of Alzheimer’s disease in later years.
People who had previously had COVID-19 were more likely to have increased levels of biomarkers linked to faulty amyloid proteins – a known hallmark for Alzheimer’s disease.https://t.co/AFO1uqXRJ8
— Covid Caution – XEC, KP.3.1.1, LP.8.1, MC.1, LF.7 (@CovidCaution) February 4, 2025
Nevertheless, the investigators urge prudence in interpreting these associations. They emphasize that, given the observational nature of their study, definitive causal links between COVID-19 and dementia remain unproven. Furthermore, it is yet to be determined whether this effect is exclusive to SARS-CoV-2 or if analogous neuroinflammatory responses occur following infections with other common respiratory pathogens, such as influenza or pneumonia.
The study has been disseminated through Nature Medicine, a preeminent peer-reviewed journal, as revealed by technologynetworks.com.
Inflammation-Induced Neurodegeneration: A Conundrum in Alzheimer’s Etiology
Dr. Eugene Duff, the study’s lead author from Imperial College London’s Department of Brain Sciences, elucidated the potential implications of their findings:
“Our data imply that COVID-19 may instigate neuropathological shifts that contribute to neurodegeneration. We postulate that this phenomenon is mediated through the inflammatory cascade triggered by the infection; however, the precise mechanistic underpinnings of how such inflammation influences amyloid deposition remain obscure.”
Dr. Duff further cautioned that while a connection between SARS-CoV-2 infection and Alzheimer’s-related changes appears plausible, determining the exact degree to which a single infection episode heightens long-term risk remains elusive. However, this aligns with prior studies indicating that various infections may serve as catalysts for neurodegenerative processes, particularly among individuals already predisposed to cognitive decline, as per technologynetworks.com.
The Role of Beta-Amyloid Accumulation in Cognitive Impairment
Amyloid proteins are ubiquitous throughout the human body, fulfilling diverse physiological functions. However, an anomalous variant, beta-amyloid (Aβ), constitutes the quintessential neuropathological hallmark of Alzheimer’s disease.
Aβ aggregates into insoluble plaques, which progressively damage neuronal networks, ultimately culminating in cognitive deterioration and behavioral dysregulation. Given this well-established paradigm, the researchers sought to interrogate whether COVID-19 infection could perturb the delicate equilibrium of amyloid metabolism, thereby exacerbating Alzheimer’s-associated pathology.
To probe this hypothesis, the team at Imperial’s Department of Brain Sciences and the UK Dementia Research Institute scrutinized biomarker profiles from 1,252 UK Biobank participants aged 46–80, both pre-and post-SARS-CoV-2 infection. These biomarker readings were juxtaposed against a control cohort of demographically matched individuals devoid of prior infection.
Their analyses revealed that SARS-CoV-2 infection corresponded with significant fluctuations in blood proteins previously implicated in amyloid pathophysiology. The magnitude of these alterations paralleled those associated with the APOE4 allele, a genetic polymorphism conferring heightened susceptibility to Alzheimer’s disease, according to technologynetworks.com.
More strikingly, the aberrations were particularly conspicuous among elderly participants, hospitalized COVID-19 survivors, and individuals with antecedent cardiovascular conditions. These biomarker deviations correlated with diminished cognitive performance, deteriorating overall health metrics, and subtle yet discernible neuroimaging anomalies characteristic of incipient neurodegeneration.
Study Constraints and Future Directions
Despite the groundbreaking nature of these insights, the researchers acknowledge several limitations inherent to their study. Chief among these is the incomplete characterization of infection severity across participants, as well as the potential influence of unaccounted confounding variables affecting biomarker dynamics. Additionally, while amyloid and tau biomarkers in peripheral blood have shown promise as diagnostic tools, their clinical applicability remains under rigorous evaluation.
Professor Paul Matthews, senior author of the study and Group Leader at the UK Dementia Research Institute at Imperial, underscored the broader implications of these findings:
“For decades, scientific discourse has entertained the notion that infectious agents may act as precipitants of neurodegenerative disease—be it viral pathogens like herpes simplex and influenza or chronic bacterial infections. This latest study lends credence to the hypothesis that SARS-CoV-2 could be another contributor to neurodegenerative risk, especially among those already predisposed due to genetic or lifestyle factors,” as noted by technologynetwork.com.
Professor Matthews further emphasized the necessity for expansive longitudinal investigations to delineate any causal interrelationships definitively. He posited that a deeper comprehension of modifiable risk factors—ranging from immunization strategies to early therapeutic interventions for infectious diseases—could ultimately offer invaluable avenues for mitigating dementia susceptibility.
As the scientific community continues to unravel the intricate interplay between viral infections and neurodegeneration, these findings serve as a clarion call for heightened vigilance in post-COVID-19 neurological surveillance, particularly among high-risk demographics.
News
New Discovery: 5 Blood Proteins Could Foreshadow Liver Illness Over a Decade Early
A study pinpoints five elusive blood proteins that can flag severe liver illness up to 16 years before symptoms strike, offering a chance of prolonged health.

Forecasting ailments long before their grip tightens could shift the medical realm from reactive to preventative. A group of researchers has spotlighted five subtle yet potent blood proteins capable of forewarning an individual’s odds of enduring an advanced liver malady—well over a decade before it manifests. These transformative revelations, slated for unveiling at Digestive Disease Week (DDW) 2025, unlock avenues for swifter detection, swifter actions, and, perhaps, superior outcomes.
Silent Surge of MASLD
This research zeroes in on metabolic dysfunction-associated steatotic liver disease (MASLD), a silent epidemic now reigning as the foremost liver disease worldwide. The frequency of MASLD continues to swell, dragging along a fatality risk that towers nearly twofold over those untouched by it.
Whispers from Within: The Biomarker Breakthrough
“Picture having foresight into MASLD’s threat long before it stirs,” shared Dr. Shiyi Yu, a resident in gastroenterology at Guangdong Provincial People’s Hospital, China. “Most only recognize liver peril after it clenches tight. There’s a dire craving for reliable biomarkers and forecasting blueprints. Our endeavor uncovers plasma proteins as harbingers of hope,” according to SciTechDaily.com.
Scientists Discover 5 Proteins That Can Predict Liver Disease Up to 16 Years Before Symptoms Appearhttps://t.co/CEanUqHoGs
— Health and Family (@Healthandfamili) May 1, 2025
Drilling into over 50,000 blood specimens from the UK Biobank and tracing participants for 16+ years, researchers scrutinized over 2,700 distinct proteins. From this biological sea, five proteins surfaced as early harbingers: CDHR2, FUOM, KRT18, ACY1, and GGT1—biochemical whispers of liver calamity to come.
Numbers That Speak Volumes
This protein ensemble demonstrated a startling foresight: an 83.8 percent predictive edge five years out, tapering only slightly to 75.6 percent at the 16-year mark. When meshed with day-to-day markers like body mass and physical movement, the model’s accuracy surged—hitting 90.4 percent at five years and 82.2 percent across sixteen.
Dr. Yu added, “Our model echoed its precision in an entirely different group in China, underscoring its resilience and broad applicability,” as per SciTechDaily.com.
Still Waters Run Deep
Despite its brilliance, the study remains observational—it detects links, not causes. But with pathways still being explored, this discovery ushers in a fresh frontier, where blood murmurs truths long before pain speaks.
News
Beloved Spice Could Secretly Sabotage Your Medications, Study Warns – Are You at Risk?
A recent study reveals cinnamon’s core compound could hasten drug metabolism, undermining the efficacy of prescription medications. Discover the hidden risks behind this cherished spice.

A recent scientific study has flagged an unsuspecting pantry staple as a potential troublemaker in your body’s drug-handling mechanics — cinnamon.
Beneath its warm aroma and nostalgic taste, researchers at the University of Mississippi have identified cinnamaldehyde — the chief aromatic in cinnamon — as a molecular agitator. This compound can awaken certain cellular gateways (receptors) that speed up how your body clears specific medications, possibly rendering them less potent than intended.
While a sprinkle atop your cappuccino likely won’t stir trouble, the study casts a cautionary spotlight on high-dosage consumption, especially via supplements, according to the New York Post.
Dosing Dangers Lurking in Plain Sight
“Health hazards may arise if hefty volumes of supplements are ingested without a clinician’s awareness or guidance,” stated Shabana Khan, principal researcher on the project.
Overindulgence could push your system to purge medications prematurely, sabotaging their intended purpose.
Notably, the study points out that cinnamon oil — a frequent fixture in flavor additives and personal care products — shows minimal risk in this context. It’s the bark, particularly from Cassia cinnamon, that raises eyebrows.
Beware this popular spice that could interfere with prescription medications: ‘Can be hazardous’ https://t.co/SqK1NKfjSZ pic.twitter.com/Yg7bwc2DGZ
— New York Post (@nypost) April 27, 2025
Cassia vs. Ceylon: A Spicy Identity Crisis
Cassia cinnamon — a low-cost variety imported from southern China — harbors coumarin, a naturally occurring compound with blood-thinning traits. This could spell danger for individuals already navigating anticoagulant therapies.
“Ceylon cinnamon, often dubbed ‘true cinnamon’ and sourced from Sri Lanka, bears far less coumarin, making it a safer bet,” explained Amar Chittiboyina, a co-author and deputy director at the National Center for Natural Products Research.
Supermarket shelves mostly carry Cassia, cloaked in generic packaging as simple “ground cinnamon.”
The Fine Line Between Healing and Harm
Historically, cinnamon has earned praise for its alleged therapeutic potential — from leveling blood sugar to easing inflammation. But this fresh wave of evidence underscores the shadow side of overuse, as per the NY Post.
People living with long-term health conditions — diabetes, hypertension, autoimmune disorders, or psychological ailments — should tread especially carefully.
“Our top-line advice: always consult a health care professional before pairing any supplements with prescribed treatments,” Khan emphasized. “Supplements aren’t cures. They’re not crafted to heal, treat, or offset diseases.”
Tread Gently With Nature’s Power
Cinnamon might still spice up your life in meaningful ways — but when taken in heavy doses, it may quietly unravel the work of vital medications.
As with any potent natural remedy, the key lies in mindful use — not blind enthusiasm.
News
Your Daily Diet Might Be Deadlier Than You Think — Find Out Why
A profound study reveals the alarming link between ultra-processed foods and premature deaths across multiple nations, urging critical reevaluation of modern eating habits.

In a modern world saturated with quick-fix edibles, ultra-processed foods (UPFs) — brimming with excessive sugars, salts, and detrimental fats — now constitute a staggering 70 percent of the American food landscape.
A fresh dissection of global datasets from the United States and seven other nations sought to gauge how many untimely, avoidable fatalities stem from the habitual ingestion of items like processed meats, packaged sweets, sugary beverages, and artificially sweetened breakfast cereals.
Carlos Augusto Monteiro, emeritus authority in nutrition and public health at Brazil’s University of São Paulo, shared with CNN, “We scrutinized the peril of dying prematurely — between the ages of 30 and 69 — directly linked to escalating consumption of UPFs,” according to the New York Post.
Monteiro’s research unveiled a stark reality: for every 10% augmentation in calorie intake from UPFs, the hazard of an early grave intensifies by nearly 3 percent. These findings surfaced in the latest edition of the American Journal of Preventive Medicine.
Prior explorations have already tied UPFs to over 32 adverse health predicaments — encompassing heightened dangers of cardiac maladies, oncological disorders, Type 2 diabetes, and psychological afflictions.
Nothing to see here….really.
— floridanow1 (@floridanow1) April 28, 2025
40% of the US is prediabetic or diabetic.
Type 2 diabetes is associated with 11-fold greater risk of heart disease
Common food may be responsible for more deaths a year than fentanyl
Ultra-processed foods — which often contain high levels of… pic.twitter.com/hNBEpNNWlH
In the year 2018 alone, an estimated 124,000 preventable deaths in the U.S. were traced to UPF consumption, according to Eduardo Augusto Fernandes Nilson, principal investigator of this new revelation.
From a grim perspective, about 74,000 Americans perished from fentanyl overdoses in 2022.
Fernandes Nilson’s consortium employed an intricate computational model, examining health data from nearly 240,000 individuals and over 14,000 fatalities, to deduce the share of early deaths tied to UPFs.
The calculated mortality rates oscillated between 4 percent in Colombia, a nation with minimal UPF consumption, to an unsettling 14 percent in heavy-consuming countries such as the United Kingdom and the United States, as per the New York Post.
Brazil (low), Chile and Mexico (moderate), and Australia and Canada (high) were also encompassed in the study’s scope.
“The amassed evidence underscores that UPF intake substantially aggravates the global disease burden. Thus, slashing their consumption must become a cornerstone of national dietary frameworks and public health mandates,” the researchers passionately advocated.
Nevertheless, skepticism shadowed the findings. Nerys Astbury, a nutrition researcher and associate professor at the University of Oxford — detached from the study — emphasized to CNN that the investigation did not definitively prove causality between UPF ingestion and mortalities.
Further dissent came from Sarah Gallo, senior vice president for product policy at the Consumer Brands Association, representing the processed food sector. Gallo contended to The Post, “This stands as another bewildering piece of research that could deepen consumer misunderstanding. Presently, no universally accepted scientific delineation of ‘ultra-processed foods’ exists,” as per NY Post.
She cautioned, “Vilifying accessible, cost-effective, shelf-stable edibles might inadvertently curtail access to vital nutrient-rich foods, jeopardize dietary quality, escalate food-borne risks, and widen health inequities.”
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