Heart attacks may actually be infectious

A pioneering study by researchers from Finland and the UK has demonstrated for the first time that myocardial infarction may be an infectious disease. This discovery challenges the conventional understanding of the pathogenesis of myocardial infarction and opens new avenues for treatment, diagnostics, and even vaccine development. According to the recently published research, an infection

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Overworked neurons burn out and fuel Parkinson’s disease

Certain brain cells are responsible for coordinating smooth, controlled movements of the body. But when those cells are constantly overactivated for weeks on end, they degenerate and ultimately die. This new observation made by scientists at Gladstone Institutes may help explain what goes awry in the brains of people with Parkinson’s disease. Researchers have long

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Exercise may actually reverse your body’s aging clock

A new research perspective was recently published in Aging, titled “Exercise as a geroprotector: focusing on epigenetic aging.” In this perspective, led by Takuji Kawamura from Tohoku University, researchers reviewed existing evidence from scientific studies showing that regular exercise, physical activity, and fitness may influence epigenetic aging and potentially reverse it, offering a promising way

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Common heart drug taken by millions found useless, possibly risky

Beta blockers—drugs commonly prescribed for a range of cardiac conditions, including heart attacks—provide no clinical benefit for patients who have had an uncomplicated myocardial infarction with preserved heart function. Beta blockers have been the standard treatment for these patients for 40 years. This is a breakthrough discovery from the “REBOOT Trial” with senior investigator Valentin

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Cannabis for coping? Why it may trigger paranoia

New research from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King’s College London, in partnership with the University of Bath, has found that the reasons why a person chooses to use cannabis can increase their risk of developing paranoia. The use and potency of cannabis is increasing worldwide, and dependence and cannabis-induced psychosis

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Rats walk again after breakthrough spinal cord repair with 3D printing

For the first time, a research team at the University of Minnesota Twin Cities demonstrated a groundbreaking process that combines 3D printing, stem cell biology, and lab-grown tissues for spinal cord injury recovery. The study was recently published in Advanced Healthcare Materials, a peer-reviewed scientific journal. According to the National Spinal Cord Injury Statistical Center,

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Eating meat may protect against cancer, landmark research shows

Eating animal-sourced protein foods is not linked to a higher risk of death and may even offer protective benefits against cancer-related mortality, new research finds. The study, published in Applied Physiology, Nutrition, and Metabolism, analyzed data from nearly 16,000 adults aged 19 and older using the National Health and Nutrition Examination Survey (NHAMES III). Researchers

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Stopping time in cells exposes life’s fastest secrets

Optical microscopy is a key technique for understanding dynamic biological processes in cells, but observing these high-speed cellular dynamics accurately, at high spatial resolution, has long been a formidable task. Now, in an article published in Light: Science & Applications, researchers from The University of Osaka, together with collaborating institutions, have unveiled a cryo-optical microscopy

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Tiny protein dismantles the toxic clumps behind Alzheimer’s

Scientists at St. Jude Children’s Research Hospital demonstrated for the first time that the protein midkine plays a preventative role against Alzheimer’s disease. Midkine is known to accumulate in Alzheimer’s disease patients. Now, researchers have connected it with amyloid beta, a protein that accumulates in the brain, causing assemblies that are a hallmark of Alzheimer’s.

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A safe painkiller? New research raises concerns about Tylenol’s safety in pregnancy

Researchers at the Icahn School of Medicine at Mount Sinai have found that prenatal exposure to acetaminophen may increase the risk of neurodevelopmental disorders, including autism spectrum disorder and attention-deficit/hyperactivity disorder (ADHD), in children. The study, published on August 14 in BMC Environmental Health, is the first to apply the rigorous Navigation Guide methodology to systematically

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A new cancer vaccine just wiped out tumors in mice

An experimental mRNA vaccine boosted the tumor-fighting effects of immunotherapy in a mouse-model study, bringing researchers one step closer to their goal of developing a universal vaccine to “wake up” the immune system against cancer. Published recently in Nature Biomedical Engineering, the University of Florida study showed that like a one-two punch, pairing the test vaccine

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Scientists detect virus traces in blood that may unlock long COVID’s mystery

Researchers from the Translational Genomics Research Institute (TGen), part of City of Hope, and the Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center have identified a potential biomarker for long COVID. If the findings of their study are confirmed by other research centers, the biomarker could be the first specific and quantifiable indicator for

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Trojan horse bacteria sneak cancer-killing viruses into tumors

Researchers at Columbia Engineering have built a cancer therapy that makes bacteria and viruses work as a team. In a study published recently in Nature Biomedical Engineering, the Synthetic Biological Systems Lab shows how their system hides a virus inside a tumor-seeking bacterium, smuggles it past the immune system, and unleashes it inside cancerous tumors. The

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The hidden mental health danger in today’s high-THC cannabis

Science News from research organizations Date: August 12, 2025 Source: Canadian Medical Association Journal Summary: THC levels in cannabis have soared in recent years, raising the risk of psychosis—especially in young, frequent users. Studies reveal a strong connection between cannabis-induced psychosis and schizophrenia, making early cessation and treatment essential. Share: FULL STORY Stronger cannabis is

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How much damage are ultraprocessed foods really doing to your health?

Most ultraprocessed foods (UPFs) are characterized by poor nutritional quality, contributing to excessive calories, and are typically high in saturated fats, added sugars and sodium (salt), the combination of which is often abbreviated as HFSS, which contribute to adverse cardiometabolic health outcomes, including heart attack, stroke, obesity, inflammation, Type 2 diabetes and vascular complications. Observational

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New “evolution engine” creates super-proteins 100,000x faster

In medicine and biotechnology, the ability to evolve proteins with new or improved functions is crucial, but current methods are often slow and laborious. Now, Scripps Research scientists have developed a synthetic biology platform that accelerates evolution itself — enabling researchers to evolve proteins with useful, new properties thousands of times faster than nature. The

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Lupus often fades with age. Scientists finally know why

Lupus is a “classic” autoimmune disease. It causes the immune system’s first-line viral defenses — known as interferons — to attack the body. Nearly every organ is at risk, leading to conditions like kidney and heart disease. But unlike many other autoimmune or chronic illnesses, lupus can improve as patients reach their 60s and 70s.

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This vaccine uses dental floss instead of needles

Researchers have demonstrated a novel vaccine delivery method in an animal model, using dental floss to introduce vaccine via the tissue between the teeth and gums. The testing found that the new technique stimulates the production of antibodies in mucosal surfaces, such as the lining of the nose and lungs. “Mucosal surfaces are important, because

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Columbia scientists turn yogurt into a healing gel that mimics human tissue

Researchers from Columbia Engineering have established a framework for the design of bioactive injectable hydrogels formulated with extracellular vesicles (EVs) for tissue engineering and regenerative medicine applications. Published on July 25 in Matter, Santiago Correa, assistant professor of biomedical engineering at Columbia Engineering, and his collaborators describe an injectable hydrogel platform that uses EVs from milk

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Your sleep schedule could be making you sick, says massive new study

A groundbreaking international study, recently published in Health Data Science, analyzed objective sleep data from 88,461 adults in the UK Biobank and found significant associations between sleep traits and 172 diseases. The research, led by teams from Peking University and Army Medical University, highlights sleep regularity — such as bedtime consistency and circadian rhythm stability

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Walk faster, live longer: How just 15 minutes a day can boost lifespan

Regular walking is widely recognized for its significant benefits to overall health and well-being. Previous research has primarily focused on middle-to-high-income White populations. Now, a novel analysis using data from the Southern Community Cohort Study, involving 79,856 predominantly low-income and Black individuals across 12 southeastern US states, confirms the benefits of regular walking, especially at

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This sugar substitute does more than sweeten — it kills cancer cells

Stevia may provide more benefits than as a zero-calorie sugar substitute. When fermented with bacteria isolated from banana leaves, stevia extract kills off pancreatic cancer cells but doesn’t harm healthy kidney cells, according to a research team at Hiroshima University. The researchers published their findings in the International Journal of Molecular Sciences. “Globally, the incidence

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The fungus that makes bread better for you

New research in Plants, People, Planet indicates that bread wheat’s micronutrient content can be increased by cultivating it with a specific type of fungus. When investigators grew different types of wheat with and without the arbuscular mycorrhizal fungus Rhizophagus irregularis, they observed that crops grown with fungi developed larger grains with greater amounts of phosphorus

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Doctors used music instead of medication—what they saw in dementia patients was remarkable

A new treatment that uses music therapy on dementia wards could improve care and support for some of the NHS’s most vulnerable patients. Researchers at Anglia Ruskin University (ARU) and Cambridgeshire and Peterborough NHS Foundation Trust have piloted a music therapy approach called MELODIC, across two NHS dementia wards. More alternatives to psychotropic medication are

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Fasting twice a week could be a game-changer for type 2 diabetes

Intermittent energy restriction, time-restricted eating and continuous energy restriction can all improve blood sugar levels and body weight in people with obesity and type 2 diabetes, according to a study presented at ENDO 2025, the Endocrine Society’s annual meeting in San Francisco, California. “This study is the first to compare the effects of three different

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Sweet but risky: Common sweeteners may be accelerating puberty in kids

Consuming certain sweeteners commonly found in foods and beverages may increase the risk of early puberty in children, particularly among those who are genetically predisposed, according to a study presented at ENDO 2025, the Endocrine Society’s annual meeting in San Francisco, Calif. The researchers found that consuming aspartame, sucralose, glycyrrhizin and added sugars was significantly

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Lemurs age without inflammation—and it could change human health forever

What can lemurs tell us about inflammation and aging, aka “inflammaging” in humans? That’s the question Elaine Guevara, a biological anthropologist who studies the evolution of life history and aging in primates, set out to understand. In newly published research on age-related inflammation in ring-tailed and sifaka lemurs, Guevara discovered that perhaps we should rethink

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New research shows Monday stress is etched into your biology

A research study led by Professor Tarani Chandola from the Department of Sociology, Faculty of Social Sciences at the University of Hong Kong (HKU) has revealed that Mondays uniquely drive long-term biological stress, regardless of working status, with implications for heart health. The research has identified a striking biological phenomenon: older adults who feel anxious

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Feeling mental exhaustion? These two areas of the brain may control whether people give up or persevere

Two areas of the brain may work in combination to tell the brain when it’s “feeling” tired. People with depression and post-traumatic stress disorder (PTSD) often experience cognitive fatigue. Results of the study may provide a way for physicians to better evaluate and treat people who experience such fatigue. In experiments with healthy volunteers undergoing

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Sweet-smelling molecule halts therapy-resistant pancreatic cancer

Cancer cells have the capacity to multiply rapidly. The aggressive cancer cells undergo conversion from their tightly connected epithelial state into a mesenchymal state, which lacks contact restrictions and spreads easily to other parts of the body. Such epithelial-to-mesenchymal plasticity also makes the cancer cells resistant to elimination by anticancer therapies. The search is ongoing

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AI spots deadly heart risk most doctors can’t see

A new AI model is much better than doctors at identifying patients likely to experience cardiac arrest. The linchpin is the system’s ability to analyze long-underused heart imaging, alongside a full spectrum of medical records, to reveal previously hidden information about a patient’s heart health. The federally-funded work, led by Johns Hopkins University researchers, could

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Scientists just mapped how the body rejects pig organs—and how to stop it

A pioneering study has provided unprecedented insights into the immune response following pig-to-human kidney xenotransplantation.1 The findings, presented today at the ESOT Congress 2025, mark a significant step forward in overcoming the biggest challenge in xenotransplantation: rejection by the human immune system. Using cutting-edge spatial molecular imaging, researchers mapped how human immune cells interact with

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Candy colors, THC inside: How cannabis edibles are tricking teen brains

Bright colors, fruit imagery, and labels like “locally made” or “vegan” might seem harmless — but when used on cannabis edibles, they can send misleading messages to teens. That’s according to a new Washington State University-led study examining how adolescents perceive the packaging of cannabis-infused products such as gummies, chocolates and sodas. Despite regulations barring

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Scientists turn beer yeast into mini factories for smart drugs

Scientists at Ca’ Foscari University of Venice, in collaboration with researchers from Japan, China, Switzerland, and Italy, have developed an innovative method to produce and rapidly analyze a vast array of macrocyclic peptides, molecules increasingly used in modern medicine. The research, published in Nature Communications, harnesses the familiar brewer’s yeast, turning billions of these tiny

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Acid-busting diet triggers 13-pound weight loss in just 16 weeks

Compared with a Mediterranean diet, dietary acid load decreased significantly on a low-fat vegan diet and was associated with weight loss, according to a randomized cross-over trial conducted by the Physicians Committee for Responsible Medicine and published in Frontiers in Nutrition. “Eating acid-producing foods like meat, eggs, and dairy can increase the dietary acid load,

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Scientists warn of bat virus just one mutation from infecting humans

A group of bat viruses closely related to the deadly Middle East respiratory syndrome coronavirus (MERS-CoV) could be one small mutation away from being capable of spilling over into human populations and potentially causing the next pandemic. A recent study published in the journal Nature Communicationsexamined an understudied group of coronaviruses known as merbecoviruses —

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The molecule that might save your sight—and your heart

A new study from Washington University School of Medicine in St. Louis identifies a possible way to slow or block progression of age-related macular degeneration, a leading cause of blindness in people over age 50. The WashU Medicine researchers and their international collaborators implicated problems with cholesterol metabolism in this type of vision loss, perhaps

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From cursed tomb fungus to cancer cure: Aspergillus flavus yields potent new drug

Penn-led researchers have turned a deadly fungus into a potent cancer-fighting compound. After isolating a new class of molecules from Aspergillus flavus, a toxic crop fungus linked to deaths in the excavations of ancient tombs, the researchers modified the chemicals and tested them against leukemia cells. The result? A promising cancer-killing compound that rivals FDA-approved

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Black coffee, longer life: The science behind your morning perk

While you’re probably not pouring your morning cup for the long-term health benefits, coffee consumption has been linked to lower risk of mortality. In a new observational study, researchers from the Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy at Tufts University found the association between coffee consumption and mortality risk

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Sugar shield restored: The breakthrough reversing brain aging and memory loss

In a compelling Genomic Press Interview published today in Brain Medicine, Sophia Shi, PhD, unveils her pioneering research that fundamentally changes our understanding of brain aging and opens revolutionary therapeutic pathways for Alzheimer’s disease and related neurodegenerative conditions. Uncovering the Brain’s Hidden Shield Dr. Shi’s groundbreaking work focuses on the glycocalyx, a complex “forest” of

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CRISPR-edited stem cells reveal hidden causes of autism

To allow studying the genetic causes of autism spectrum disorder, a Kobe University research team created a bank of 63 mouse embryonic stem cell lines containing the mutations most strongly associated with the disorder. The achievement was made possible by developing a new and more efficient method for changing the genome of embryonic stem cells.

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How a common antibiotic fuels bacterial resistance

Antibiotics are supposed to wipe out bacteria, yet the drugs can sometimes hand microbes an unexpected advantage. A new study from Rutgers Health shows that ciprofloxacin, a staple treatment for urinary tract infections, throws Escherichia coli (E. coli) into an energy crisis that saves many cells from death and speeds the evolution of full-blown resistance.

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Whales blow bubble rings—And they might be talking to us

A team of scientists from the SETI Institute and the University of California at Davis documented, for the first time, humpback whales producing large bubble rings, like a human smoker blowing smoke rings, during friendly interactions with humans. This previously little studied behavior may represent play or communication. Humpback whales are already known for using

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Epilepsy is more common in patients with frontotemporal dementia than expected

According to a recent study, in patients with frontotemporal dementia (FTD), epileptic seizures are significantly more common than previously known. The discovery deepens understanding of the symptoms of this memory disorder and emphasises the importance of taking epileptic seizures into account in the treatment and monitoring of patients. Coordinated by Neurocenter Finland, this major project

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Molecular link between air pollution and pregnancy risks

A new study by Emory University researchers, published Thursday in Environmental Science & Technology, found that exposure to the tiny particles in air pollution during pregnancy can disrupt maternal metabolisms, altering key biological pathways. These changes were associated with increased risk of various negative birth outcomes, including premature birth. The study, which analyzed blood samples

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Guardrails, education urged to protect adolescent AI users

The effects of artificial intelligence on adolescents are nuanced and complex, according to a report from the American Psychological Association that calls on developers to prioritize features that protect young people from exploitation, manipulation and the erosion of real-world relationships. “AI offers new efficiencies and opportunities, yet its deeper integration into daily life requires careful

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Decades-old assumptions about brain plasticity upended

A new study from Pitt researchers challenges a decades-old assumption in neuroscience by showing that the brain uses distinct transmission sites — not a shared site — to achieve different types of plasticity. The findings, published in Science Advances, offer a deeper understanding of how the brain balances stability with flexibility, a process essential for

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Researchers develop innovative model to study sense of smell

Using a newly devised, three-dimensional model to study the regeneration of nerve tissue in the nose, researchers at Tufts University School of Medicine and the Graduate School of Biomedical Sciences (GSBS) and colleagues have discovered that one type of stem cell thought to be dormant may play a more significant role in preserving the sense

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Preventing chronic inflammation from turning into cancer

Chronic inflammatory bowel disease is challenging to treat and carries a risk of complications, including the development of bowel cancer. Young people are particularly affected: when genetic predisposition and certain factors coincide, diseases such as ulcerative colitis or Crohn’s disease usually manifest between the ages of 15 and 29 — a critical period for education

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Common gene variant doubles dementia risk for men

New research has found that men who carry a common genetic variant are twice as likely to develop dementia in their lifetime compared to women. The research, published in Neurology, used data from the ASPirin in Reducing Events in the Elderly (ASPREE) trial to investigate whether people who had variants in the haemochromatosis (HFE) gene,

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Singing to babies improves their mood

Singing to your infant can significantly boost the baby’s mood, according to a recent Yale study published May 28 in Child Development. Around the world and across cultures, singing to babies seems to come instinctively to caregivers. Now, new findings support that singing is an easy, safe, and free way to help improve the mental

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Leprosy existed in America long before arrival of Europeans

Long considered a disease brought to the Americas by European colonizers, leprosy may actually have a much older history on the American continent. Scientists from the Institut Pasteur, the CNRS, and the University of Colorado (USA), in collaboration with various institutions in America and Europe, reveal that a recently identified second species of bacteria responsible

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Hitting the right notes to play music by ear

Learning to play music by ear is challenging for most musicians, but research from a team at the University of Waterloo may help musicians-in-training find the right notes. The Waterloo team analyzed a range of YouTube videos that focused on learning music by ear and identified four simple ways music learning technology can better aid

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