November 21, 2025

Astrocytes clear amyloid plaques and preserve cognitive function in Alzheimer’s mouse models

by Baylor College of Medicine edited by Robert Egan  Editors’ notes An astrocyte cell grown in tissue culture stained with antibodies to GFAP and vimentin. Credit: Wikimedia Commons / GerryShaw, CC BY-SA 3.0 Researchers at Baylor College of Medicine have discovered a natural mechanism that clears existing amyloid plaques in the brains of mouse models of Alzheimer’s disease […]

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AI can help cancer patients better understand CT reports

by Paul Hellmich, Technical University Munich edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Credit: CC0 Public Domain Medical reports written in technical terminology can pose challenges for patients. A team at the Technical University of Munich (TUM) has investigated how artificial intelligence can make CT findings easier to understand. In the study, reading time decreased,

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CDC reverses stance that vaccines don’t cause autism, breaking with years of scientific consensus

Adobe The Centers for Disease Control and Prevention has publicly reversed its stance that vaccines do not cause autism over the objections of career staff and counter to years of scientific evidence. Late Wednesday evening, a CDC webpage that previously said there’s no link between autism and vaccines was quietly updated to call that claim “not evidence based.”

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Benralizumab Shows Benefits for Hypereosinophilic Syndrome

Heidi Splete November 12, 2025 Treatment with benralizumab significantly delayed the time to first worsening or flare of symptoms in hypereosinophilic syndrome (HES), based on new data from the NATRON study presented at the American College of Allergy, Asthma, and Immunology (ACAAI) 2025 Annual Meeting. HES is a rare white blood cell disorder characterized by persistent

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Sniffing During Neffy: Epinephrine Still Effective

Kaitlin Sullivan November 12, 2025 Epinephrine nasal spray works well even if patients sniff while using it, according to an abstract presented at the American College of Allergy, Asthma, and Immunology (ACAAI) 2025 Annual Meeting in Orlando, Florida. The FDA last year fast-tracked approval of the first nasal epinephrine (neffy). The spray offers patients an alternative to injectable epinephrine pens, but

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Osteoporosis often goes undetected and untreated: How doctors are changing that

by Tayler Shaw, University of Colorado School of Medicine edited by Sadie Harley, reviewed by Andrew Zinin  Editors’ notes Credit: CC0 Public Domain For many years, older adult patients who fractured their hip typically spent most of their recovery time with orthopedic doctors, working to regain their strength and function. But for some of those patients, that care

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Cerebrospinal fluid motion in the brain captured in remarkable detail

by Ingrid Fadelli, Medical Xpress edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes CSF signal and CSF mobility characteristics using CSF-STREAM. a,b, CSF signal, measured using the non-motion-sensitised reference scan, in the SAS around the MCA (a) and in PVS around penetrating vessels in one representative individual (b). c,d, Principal orientation of CSF mobility in the

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Why we get dark circles and eye bags

One’s temporary, the other is often built in. RJ Mackenzie Published Nov 17, 2025 9:00 AM EST A bad night’s sleep is far from the only reason we can get eye bags or dark circles. Image: DepositPhotos Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Email address Terms of Service and Privacy Policy.

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Depression tied to immune system imbalance, not just brain chemistry

by The Korea Advanced Institute of Science and Technology (KAIST) edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Integration of clinical symptoms, blood analysis, and patient-derived brain organoid analysis in women with major depressive disorder. Credit: Advanced Science (2025). DOI: 10.1002/advs.202508383 Major depressive disorder (MDD) is characterized by a lowered mood and loss of interest, contributing not only

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Aging alters the protein landscape in the brain—diet can counteract it, say researchers

by Kerstin Wagner, Leibniz Institute on Aging – Fritz Lipmann Institute edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Credit: Pexels As we age, the composition and function of proteins in the brain change, affecting how well our brain performs later in life—influencing memory, responsiveness, and the risk of neurodegenerative diseases. An international research team led

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