August 4, 2025

Five things to know about the summer COVID surge—including ‘razor blade throat’

by Cynthia McCormick Hibbert, Northeastern University edited by Lisa Lock, reviewed by Andrew Zinin Vaccination can reduce severity of “razor blade throat” summer COVID, Northeastern expert says. Credit: Matthew Modoono/Northeastern University Despite an uptick in recent cases, the number of COVID-19 hospitalizations and deaths is just about at new lows, according to the most recent data. That may be little consolation to those infected […]

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Unstable surroundings have lasting effects on youth well-being

by Savannah Peat, University of Georgia edited by Gaby Clark, reviewed by Andrew Zinin Impulsive behaviors from parents, frequent partner changes, child care instability and overall chaos in households may be linked to poor behavior and mental instability in children as they grow up, according to new UGA research. Credit: Illustration by Andrea Piazza The more unpredictable an

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Clinical trial shows new software helps seniors reduce unnecessary medications

by McGill University edited by Gaby Clark, reviewed by Robert Egan Credit: Pixabay/CC0 Public Domain McGill University researchers have developed and are licensing a digital tool to help safely reduce patients’ use of medications that may be unnecessary or even harmful to them. When clinicians review a patient’s file, MedSafer flags potentially inappropriate medications. In a new clinical

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What are intraocular lenses? And how can they restore sight for patients with cataracts?

Each year, more than 30 million people globally receive surgery to correct cataracts. As many people age, the crystalline lenses in their eyes become cloudy and obstruct their vision, but a simple and safe form of surgery where the crystalline lens is replaced with an artificial lens—known as an intraocular lens—can restore clarity and lead to

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New axolotl study gives researchers a leg up in work towards limb regeneration

Posted Today Researchers supported by the U.S. National Science Foundation have discovered that it is not how much of a key molecule that allows axolotls to regenerate limbs properly, it is how little. This new knowledge moves researchers closer to enabling tissue repair and, possibly, limb regeneration in humans. Axolotls are a species of salamander that

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Brain might become target of new type 1 diabetes treatments

by University of Washington School of Medicine edited by Sadie Harley, reviewed by Andrew Zinin Credit: CC0 Public Domain More than a decade ago, researchers found that an acute complication of type 1 diabetes, diabetic ketoacidosis (DKA), can be resolved with the hormone leptin, even in the absence of insulin. An analysis published in the Journal of Clinical Investigation explains how leptin affects the

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Heart activity reveals early signs of problem alcohol use

by Research Society on Alcohol edited by Sadie Harley, reviewed by Andrew Zinin Credit: Pixabay/CC0 Public Domain Cardiovascular tests performed during primary care visits may give evidence of increasing alcohol use, which could help clinicians identify and treat risky drinking behaviors early. In a study published in Alcohol: Clinical and Experimental Research, researchers found that blood pressure and heart rate readings were

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Neuroscientists identify a biomarker for Alzheimer’s disease progression

by Gretchen Schrafft, Brown University edited by Sadie Harley, reviewed by Andrew Zinin A) Illustration of the experimental design. B) Averaged power spectra and time–frequency representations (TFR) were extracted from two regions of interest. Credit: Imaging Neuroscience (2025). DOI: 10.1162/IMAG.a.69 Using a custom-built tool to analyze the electrical activity from neurons, researchers at Brown University have identified a brain-based biomarker

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Student loan caps might worsen the national doctor shortage, critics say

by Shalina Chatlani edited by Sadie Harley, reviewed by Andrew Zinin Credit: CC0 Public Domain Twenty-eight-year-old Michaela Bonner has been working 12-hour shifts as an emergency medical technician in Norfolk, Virginia, for the past four years, while attending and paying for college to finish her prerequisites for medical school. But now that President Donald Trump’s signature tax

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DACA recipients will no longer be eligible for ACA health coverage

by Andrew Zeng edited by Sadie Harley, reviewed by Andrew Zinin Credit: CC0 Public Domain Young California residents who arrived in the U.S. as children without legal permission are reeling in the wake of a new policy stripping them of health insurance coverage under the Affordable Care Act. The policy, announced by the Centers for Medicare and

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