November 3, 2025

Study finds surprising link between gut and brain rhythms

by I. Edwards edited by Andrew Zinin  Editors’ notes The human body is packed with natural rhythms, from your sleep-wake cycle to the steady pulsing of blood through the brain to heart rate and pulse. Now, scientists say the gut may hold the key to understanding how this complex coordination happens in the brain’s blood vessels. Researchers […]

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Specific human gene can help the heart repair itself from heart attack or heart failure

by The Mount Sinai Hospital edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes From left to right – the cell in the initial frame is from a 55-year-old donor heart. The next image shows the cell rounding up after receiving Cyclin A2 and the cell division takes place shortly after. The third image represents the same

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Assessing heart-pumping glitch may reduce stroke risk in adults with heart muscle disease

by American Heart Association edited by Stephanie Baum, reviewed by Robert Egan  Editors’ notes Credit: Pixabay/CC0 Public Domain A hidden atrial dysfunction may raise stroke risk in people with transthyretin amyloid cardiomyopathy (ATTR-CM); however, a noninvasive assessment tool may help identify those at increased risk, according to a preliminary study to be presented at the American Heart Association’s Scientific

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Low-dose aspirin linked to lower cardiovascular event risk for adults with type 2 diabetes

by American Heart Association edited by Stephanie Baum, reviewed by Robert Egan  Editors’ notes Credit: Anna Shvets from Pexels People with type 2 diabetes (T2D) and an elevated risk for cardiovascular disease (CVD) who took low-dose aspirin were less likely to experience a major cardiovascular event, including heart attack, stroke or death, than people with T2D at similar

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Holographic optogenetics could enable faster brain mapping for new discoveries

by Ingrid Fadelli, Medical Xpress edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes High-speed synaptic connectivity mapping using holographic optogenetics and compressed sensing. Left: Experimental setup for probing synaptic connectivity and analyzing patterns of synaptic transmission. Right: An example map of synaptic connectivity from L2/3 of mouse V1. (Green neuron: postsynaptic pyramidal neuron held under patch-clamp;

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Immunotherapy resistance in kidney cancer driven by myeloid cell signaling

by Dana-Farber Cancer Institute edited by Sadie Harley, reviewed by Andrew Zinin  Editors’ notes Graphical abstract. Credit: Immunity (2025). DOI: 10.1016/j.immuni.2025.10.013 Immunotherapy with immune checkpoint inhibitors is standard first-line treatment for advanced renal cell carcinoma (RCC), but not every patient responds. An open question is whether specific patterns of immune signaling, specifically interferon signaling, influence the effectiveness of immune checkpoint

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Clinical trial sees dramatic results using radiation to treat breast cancer

by Anya Sostek edited by Sadie Harley, reviewed by Andrew Zinin  Editors’ notes Credit: Pixabay/CC0 Public Domain Almost immediately after Theresa Greco was diagnosed with breast cancer in March, doctors asked her whether she wanted to participate in a clinical trial. The trial would do high-powered radiation targeted at her tumor prior to surgery, rather than the

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Short fasts do not impair thinking ability in healthy adults, study says

by American Psychological Association edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Credit: Pixabay/CC0 Public Domain Skipping breakfast or practicing intermittent fasting is unlikely to cloud most adults’ thinking in the short term, according to research published in the journal Psychological Bulletin. Fasting, which can involve abstaining from food for several hours to days, has become one

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Frequent reflux episodes lasting beyond six months warrant medical evaluation, expert says

by University of Southern California edited by Gaby Clark, reviewed by Andrew Zinin  Editors’ notes Credit: Pixabay/CC0 Public Domain Acid reflux can feel like your heart or chest is burning. If you’ve ever experienced acid reflux, you may have wondered if it was abnormal or dangerous. “Everyone has a little bit of acid reflux,” says John Lipham, MD,

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Families pay thousands for an unproven autism treatment: Researchers say we need ethical guidelines

by Corinne Purtill edited by Sadie Harley, reviewed by Andrew Zinin  Editors’ notes Credit: Unsplash/CC0 Public Domain Over the last decade, clinics have popped up across Southern California and beyond advertising something called magnetic e-resonance therapy, or MERT, as a therapy for autism. Developed by the Newport Beach-based company Wave Neuroscience, MERT is based on transcranial magnetic stimulation,

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