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Category: health

We thought we knew the human body — but a new organ has been officially discovered.

In a groundbreaking discovery, researchers have officially classified the mesentery—a structure in the digestive system—as a distinct human organ.

Previously thought to be a fragmented and insignificant part of the abdominal cavity, new research reveals that the mesentery is actually a continuous structure that plays a crucial role in holding the intestines in place.

This reclassification, led by J Calvin Coffey from the University Hospital Limerick in Ireland, has been recognized in medical textbooks like Gray’s Anatomy and is now being taught to medical students. While its precise function remains unclear, studying this newly recognized organ could lead to breakthroughs in understanding and treating abdominal and digestive diseases.

The mesentery’s discovery marks the beginning of a new medical field—mesenteric science—which aims to uncover its role in human health. Researchers believe that a deeper understanding of its functions will help identify diseases linked to abnormal mesenteric activity. This revelation reminds us that, despite advances in science, there is still much to learn about our own bodies. With further research, the mesentery could hold key insights into improving gastrointestinal health and developing innovative treatments for abdominal disorders.

Continue reading “The mesentery: structure, function, and role in disease” | >

An international team of researchers has discovered that rifaximin, a commonly prescribed antibiotic for liver disease patients, is contributing to the global rise of a highly resistant strain of vancomycin-resistant Enterococcus faecium (VRE). This superbug, which frequently causes severe infections in hospitalized patients, is becoming increasingly difficult to treat.

The study, published in Nature, reveals that rifaximin use is accelerating resistance to daptomycin—one of the last remaining effective antibiotics against VRE infections.

Led by scientists from the University of Melbourne’s Peter Doherty Institute for Infection and Immunity (Doherty Institute) and Austin Health, the research underscores the urgent need for a more comprehensive understanding of the unintended consequences of antibiotic use. It highlights the critical importance of responsible antibiotic prescribing to mitigate the spread of antimicrobial resistance.

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For decades, exercise was considered an optional part of cancer care—something beneficial for general health but not essential. The evidence is now overwhelming: exercise is not just supportive—it’s a therapeutic intervention that recalibrates tumor biology, enhances treatment tolerance, and improves survival outcomes.

With over 600 peer-reviewed studies, Dr. Kerry Courneya’s work has fundamentally reshaped our understanding of how structured exercise—whether aerobic, resistance training, or high-intensity intervals—can mitigate treatment side effects, enhance immune function, and directly influence cancer progression.

Train smarter with evidence-based strategies from top experts—get your free copy of “How to Train According to the Experts” at https://howtotrainguide.com/

CHAPTERS:

Continue reading “The Science of Exercise for Cancer | Kerry Courneya, PhD” | >

Researchers across 14 medical centers in China, including Peking University People’s Hospital, have found that an investigational drug, berberine ursodeoxycholate (HTD1801), significantly lowered blood sugar levels and improved metabolic and liver health in patients with type 2 diabetes (T2D). The findings and an invited commentary, both published in JAMA Network Open, suggest that HTD1801 could serve as a new oral treatment option for T2D and its related complications.

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A dietitian has issued a warning that many people are lacking a crucial nutrient that can reduce the risks of diabetes, heart disease, and cancer.

Dr. Carrie Ruxton has provided insights on the recommended intake, its health benefits, and how to include it in your diet. The medical specialist and advisor to the General Mills fibe r campaign stated that millions of people were “missing out on a vital nutrient which protects us against killer diseases simply because they don’t understand what it does in the body.” That’s the finding of a report about fiber — often called roughage.

Dr. Ruxton said that “adults should eat 30 grams of fiber a day.” But she added: “In reality, people are missing the target by a huge 10 g/day, placing themselves at greater risk of the world’s biggest killers – type 2 diabetes, cardiovascular disease, and cancer.

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A self-acclaimed “deep tech” company focused on the next generation of computing has unveiled three smart contact lens prototypes at MWC 2025, giving us a glimpse into the technology that could shape vision health of the future.

XPANCEO took the covers off its three prototypes, each one showcasing a unique technology that could feature in future “smart” contact lenses.

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Constantly worrying about events beyond your control significantly harms your physical health.

S stress-response system activated, leading to chronic stress. Over time, such stress can weaken the immune system, making us more susceptible to infections and illnesses. + Additionally, chronic stress is linked to cardiovascular issues, including hypertension and an increased risk of heart disease.

S prolonged exposure to stress hormones like cortisol can also lead to digestive problems, muscle tension, and headaches. + Moreover, the mental strain from focusing on uncontrollable factors can lead to unhealthy coping mechanisms, such as overeating or substance abuse, further impacting physical well-being.

S out there. It gets better. +

Get help: https://www.nimh.nih.gov/health/find-help

Continue reading “Stress effects on the body” | >

AI-powered precision in medicine is helping to enhance the accuracy, efficiency, and personalization of medical treatments and healthcare interventions. Machine learning models analyze vast datasets, including genetic information, disease pathways, and past clinical outcomes, to predict how drugs will interact with biological targets. This not only speeds up the identification of promising compounds but also helps eliminate ineffective or potentially harmful options early in the research process.

Researchers are also turning to AI to improve how they evaluate a drug’s effectiveness across diverse patient populations. By analyzing real-world data, including electronic health records and biomarker responses, AI can help researchers identify patterns that predict how different groups may respond to a treatment. This level of precision helps refine dosing strategies, minimize side effects, and support the development of personalized medicine where treatments are tailored to an individual’s genetic and biological profile.

AI is having a positive impact on the pharmaceutical industry helping to reshape how drugs are discovered, tested, and brought to market. From accelerating drug development and optimizing research to enhancing clinical trials and manufacturing, AI is reducing costs, improving efficiency, and ultimately delivering better treatments to patients.

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Imagine that malignant brain tumors are not the unbridled chaos of unchecked growth we think they are, but they are actually communicating with brain cells in very specific ways. That’s what Stanford neuroscientist Michelle Monje MD, PhD, discovered about certain types of brain cancer (called gliomas), including a deadly childhood form called DIPG. It turns out that these tumors can form connections with the brain’s circuitry (just like brain cells do) in order to fuel their own growth. But it’s not just cancers that start in the brain that are doing this. Monje and Stanford researcher Julien Sage, PhD, discovered that a type of cancer that starts in the lungs also engages in this form of hijacking when it spreads to the brain. This is important because we now have significant insight into the process of tumor growth. And these findings help us better understand how we might be able to treat or stop these cancers altogether. For more information, read “Dangerous infiltrators” in Stanford Medicine magazine: https://stan.md/4gZHRh7

#Cancer #Neuroscience #BrainCancer #Glioma #CancerResearch #StanfordMedicine #TumorGrowth #CancerBreakthrough #MedicalResearch #BrainHealth #Oncology.
Stanford Medicine advances human health through world-class biomedical research, education and patient care. Bringing together the resources of Stanford University School of Medicine, Stanford Health Care and Lucile Packard Children’s Hospital, Stanford Medicine is committed to training future leaders in biomedicine and translating the latest discoveries into new ways to prevent, diagnose and treat disease.

The Stanford Medicine YouTube channel is a curated collection of contributions from our School of Medicine departments, divisions, students, and the community. Our diverse content includes coverage of events, presentations, lectures, and associated stories about the people of Stanford Medicine.

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A newly identified part of a brain circuit mixes sensory information, memories, and emotions to tell whether things are familiar or new, and important or just “background noise.”

Led by researchers from NYU Langone Health, the work found that a circuit known to carry messages from a brain region that processes sensory information, the entorhinal cortex (EC), to the memory processing center in the hippocampus (HC) has a previously unrecognized pathway that carries messages directly back to the EC.

Publishing online Feb. 18 in Nature Neuroscience, the study results show that this direct feedback loop sends signals fast enough to instantly tag sights and sounds linked to certain objects and places as more important by considering them in the context of memories and emotions.

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