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3D-printed cardiac patch encourages tissue repair using structural mesh and hydrogel with living cells

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  • 2025-08-06 21:41 event
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3D-printed cardiac patch encourages tissue repair using structural mesh and hydrogel with living cells
A new type of tissue-engineered cardiac patch could not only seal defective areas of the heart, as has been the case up to now, but also heal them. An interdisciplinary team led by ETH Zurich has successfully implanted the patch in animals.

581. Human instruction with AI guidance provides best results in neurosurgical training, study finds

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Artificial intelligence (AI) is becoming a powerful new tool in training and education, including in the field of neurosurgery. Yet a new study suggests that AI tutoring provides better results when paired with human instruction.

582. Certain RNA modifications could contribute to the development of autoimmune disorders

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New research published in Nature has uncovered powerful evidence that may explain why a new chemical modification of RNA is made in cells.

583. Lithium loss ignites Alzheimer's, but lithium compound can reverse disease in mice

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What is the earliest spark that ignites the memory-robbing march of Alzheimer's disease? Why do some people with Alzheimer's-like changes in the brain never go on to develop dementia? These questions have bedeviled neuroscientists for decades.

584. Scrambled RNA nudges millions of people towards type 2 diabetes, research reveals

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Mutations in a single gene, HNF1A, are known to cause MODY3, a rare, early-onset form of diabetes. Smaller-scale mutations in the very same gene are also common and quietly nudge millions of people toward type 2 diabetes. A study published in Cell Metabolism reveals why.

585. Replacing brain immune cells in mice slows neurodegeneration: Technique may help with diseases like Alzheimer's

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Tay-Sachs and Sandhoff diseases, genetic disorders affecting the brain, have no effective treatment and are typically fatal within the first years of life.

586. Do claimed past-life memories affect mental health?

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Researchers analyzed the profile of adults who claim to have past-life memories, the features of these memories, and their associations with mental health, happiness, and religiosity/spirituality. The results indicated a high prevalence of mental disorder symptoms, with religiosity and spirituality being protective factors.

587. Experts unite to tackle a quiet lactation crisis

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It began as a conversation in Chicago last fall among a group of researchers who shared a persistent question: Why do so many mothers struggle to provide exclusive breast milk feedings to their infants? During August, which is National Breastfeeding Month in the U.S., we focus on a group of researchers, including several from the UF College of Nursing, who are working to provide clearer answers.

588. Liquid fat treatment offers hope for rare childhood disease

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A liquid fat medicine has shown significant promise in reversing major health complications of rare degenerative disease Ataxia-telangiectasia (A-T).

589. Can you trust AI for stroke care? Not yet, say scientists

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Scientists have found that three language-model chatbots—even with advanced prompt-engineering tricks—often give suboptimal guidance across stroke prevention, diagnosis, treatment and recovery, highlighting the need for human oversight to ensure appropriateness and safety. Stroke remains a leading cause of death and disability worldwide, underscoring the urgency for accurate and actionable patient guidance.

590. 3D-printed cardiac patch encourages tissue repair using structural mesh and hydrogel with living cells

  • 2 weeks ago schedule
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A new type of tissue-engineered cardiac patch could not only seal defective areas of the heart, as has been the case up to now, but also heal them. An interdisciplinary team led by ETH Zurich has successfully implanted the patch in animals.

591. Dizzy, heart racing after you stand? New treatment proposed

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Some people find that when they stand, their hearts tend to race and they get dizzy and lightheaded.

592. Cardiac arrest can happen suddenly—here's everything you need to know

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Cardiac arrest is defined as a sudden stop in heart function. Essentially, the pumping function of the heart is compromised, oftentimes due to a dangerous malfunction of the heart's electrical system.

593. AI chatbots can run with medical misinformation, highlighting need for stronger safeguards

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A new study by researchers at the Icahn School of Medicine at Mount Sinai finds that widely used AI chatbots are highly vulnerable to repeating and elaborating on false medical information, revealing a critical need for stronger safeguards before these tools can be trusted in health care.

594. From arthritis to nausea: Five ways ginger could benefit your health

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From warming winter teas to zesty stir-fries, ginger (Zingiber officinale) has long been a kitchen staple. But beyond its culinary charm, this spicy root has a rich history in traditional medicine—and modern science is catching up. Studies now show that ginger may offer a wide range of health benefits, from easing nausea and relieving colds to reducing inflammation and supporting heart health.

595. Could we one day get vaccinated against the gastro bug norovirus? Here's where the science stands

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Norovirus is the leading cause of acute gastroenteritis outbreaks worldwide. It's responsible for roughly one in every five cases of gastro annually.

596. Why the search for meaning can cause 'purpose anxiety,' and what to do about it

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"Find your purpose." It has become such common advice that few question it. But rather than inspirational, it can feel like a burden. How do I go about finding this and what if I never do?

597. First gene-edited islet transplant in a human passes functional trial

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Uppsala University Hospital-led investigators report that gene-edited donor islet cells survived 12 weeks inside a man with long-standing type 1 diabetes without any immunosuppressive medication.

598. Many patients with high-risk myelodysplastic syndromes miss out on effective treatment, study finds

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Most patients with high-risk myelodysplastic syndromes (MDS) do not receive guideline-recommended treatment with hypomethylating agents (HMAs), according to results published in Blood Neoplasia. The findings suggest that underuse of these drugs may help explain why MDS outcomes have not improved over the past two decades since these life-extending medications became available.

599. Air purifiers may reduce heart risks for people exposed to traffic pollution

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Using portable high-efficiency particulate air (HEPA) purifiers at home can significantly lower systolic blood pressure (SBP) in adults with elevated baseline readings—even in areas with relatively low overall air pollution levels, according to a study published in the Journal of the American College of Cardiology.

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