December 18, 2025

Vagus Nerve Therapy Improved Rosacea Symptoms, Study Finds

Edited by Deepa Varma October 08, 2025   TOPLINE: In a randomized, double-blind trial of patients with erythematotelangiectatic rosacea (ETR), transcutaneous auricular vagus nerve stimulation (taVNS) for 3 weeks significantly reduced facial erythema, flushing, anxiety, depression, and fatigue compared with sham stimulation, with effects lasting 24 weeks after treatment. METHODOLOGY: Researchers conducted a single-center, randomized, double-blind, sham-controlled clinical […]

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Hidden ‘switches’ in DNA reveal new insights into Alzheimer’s disease

by University of New South Wales edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Credit: Pixabay/CC0 Public Domain A tiny percentage of our DNA—around 2%—contains 20,000-odd genes. The remaining 98%—long known as the non-coding genome, or so-called ‘junk’ DNA—includes many of the “switches” that control when and how strongly genes are expressed. Now researchers from UNSW

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Key lung immune cells can intensify allergic reactions

by VIB (the Flanders Institute for Biotechnology) edited by Lisa Lock, reviewed by Robert Egan Credit: Immunity (2025). DOI: 10.1016/j.immuni.2025.11.015 Alveolar macrophages are immune cells that live in the tiny air sacs of the lungs. Under normal conditions, these cells act as guardians, keeping the lungs healthy, supporting breathing, and preventing unnecessary immune responses. However, new work led by Prof.

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Why does my hip hurt? Hip pain can have many causes and mostly doesn’t require surgery

by Charlotte Ganderton, Joshua Heerey, The Conversation edited by Lisa Lock, reviewed by Andrew Zinin  Editors’ notes Credit: Yan Krukau/Pexels You can feel hip pain at any stage of life, including childhood, young adulthood and the middle years. This can come as a surprise; many people associate hip pain with old age. It can strike fear into the hearts

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Christmas food poisoning and how to avoid it—by a microbiologist

  by Primrose Freestone, The Conversation edited by Gaby Clark, reviewed by Andrew Zinin  Editors’ notes Credit: Antoni Shkraba Studio from Pexels Food poisoning affects millions of people in the UK every year, and the risk rises during the Christmas period. Large family meals, raw poultry, packed fridges and buffet food all increase the chances of contamination. In

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Cases of whooping cough remain high, but knowledge about the disease still low

by Annenberg Public Policy Center of the University of Pennsylvania edited by Gaby Clark, reviewed by Andrew Zinin  Editors’ notes Annenberg Science and Public Health (ASAPH) Surveys Nov. 2024, Dec. 2025. Credit: Annenberg Public Policy Center Pertussis, also known as whooping cough, is a vaccination-preventable illness that has been on the rise in the United States. Following a

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HPV vaccine can protect against severe lesions of the vulva and vagina, study finds

by Karolinska Institutet edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Credit: Unsplash/CC0 Public Domain Girls who are vaccinated against HPV are not only well protected against cervical cancer; they are also less likely to develop severe precancerous lesions of the vulva and vagina, particularly if they were vaccinated before the age of 17. This is

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Researchers identify 166 human pluripotent stem cell lines available for use in clinical applications

by International Society for Stem Cell Research edited by Sadie Harley, reviewed by Robert Egan Melissa Carpenter presents findings from the paper, Pluripotent Stem Cell Lines Available for Use in Clinical Applications: A Comprehensive Overview, at the ISSCR International Symposium in Boston, 11-12 December 2025. Credit: ISSCR To date, more than 100 clinical trials with human pluripotent stem

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Insights into dry eyes gained from stem-cell-derived tear glands

by International Society for Stem Cell Research edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Immunofluorescence image of cleaved caspase-3 in autophagy-deficient hESC-derived LG-like organoids, indicating high levels of cell death in the absence of autophagy. Credit: Gamze Kocak in Sovan Sarkar lab at the University of Birmingham, UK An estimated 5–15% of people have problems

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Aspartame sweetener cuts fat, but may harm heart and brain—even at low doses

by CIC biomaGUNE edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes The team observes magnetic resonance images of a mouse’s heart. From left to right: Sandra Plaza García, Irati Aiestaran Zelaia, Irene Fernández Folgueral and Marta Beraza. Credit: CIC biomaGUNE A study by CIC biomaGUNE and Biogipuzkoa HRI conducted on mice has found that the prolonged

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