Medical Xpress news

Medical Xpress / Gray and white matter jointly shape cognitive aging, new evidence shows

Researchers from the Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC have found that two distinct types of brain tissue work together to support cognition in ...

Aug 20, 2026
Medical Xpress / Why immune responses to vaccines vary from person to person

Vaccines protect most people from serious illness, but the strength of that protection can vary considerably from one person to another. A new study led by Arizona State University helps us understand why.

Aug 20, 2026
Medical Xpress / Simple mouth rinse may help detect stomach and colorectal cancer signals

It's widely understood that the microbiome—especially microbes found in the mouth and the gut—can have a profound effect on health. In a study published in the journal Cell Host & Microbe on Aug. 20, researchers report that ...

Aug 20, 2026
Medical Xpress / Submillimeter MRI reveals brain hubs that guide risky decisions

Imagine that a notification on your financial app captures your attention about a stock projected to have a 68% chance of doubling your investment within a month, with a 32% chance of total loss. Would you commit a $50,000 ...

Aug 20, 2026
Medical Xpress / Living near dry cleaners linked to increased likelihood of Parkinson's disease

People living near dry cleaners may have a higher risk of developing Parkinson's disease, according to a new nationwide study led by researchers at Barrow Neurological Institute in Phoenix.

Aug 20, 2026
Medical Xpress / Multiple working hypotheses could clarify COVID-19 origins debate

A Viewpoint article published in the journal BioScience argues that the contentious debate over the origins of SARS-CoV-2 could benefit from a well-established scientific approach for weighing competing explanations.

Aug 20, 2026
Medical Xpress / AI-guided screening identifies nine drugs that may slow childhood dementia

An Australian research collaboration has identified several existing TGA-approved medicines that could help slow brain damage in children with a rare form of dementia—offering hope for faster treatment options.

Aug 20, 2026
Medical Xpress / Intermittent fasting may help type 1 diabetics control their blood sugar levels

A UIC study led by kinesiology and nutrition professor Krista Varady found that time-restricted eating may be a safe, effective tool to control blood sugar in adults with type 1 diabetes. The work is published in the journal ...

Aug 20, 2026
Medical Xpress / A single application of anti-mosquito coating reduces the long-term risk of dengue

A single application to water containers can significantly reduce yellow fever mosquito (Aedes aegypti) populations—and thus the spread of dengue fever—for many months. Researchers from the Faculty of Medicine at the University ...

Aug 20, 2026
Medical Xpress / Internet-based treatment for young people with depression outperforms usual care, trial finds

An internet-based treatment supported by a therapist led to a greater reduction in depressive symptoms among adolescents with depression than standard care, at a lower treatment cost. This is shown in a new study from Karolinska ...

Aug 20, 2026
Medical Xpress / Mediterranean-style eating tailored for the Southeast can support weight loss and improve diet quality

Participants who followed a Mediterranean-style plan tailored for the Southeast not only kept weight off but also ate better in ways that may help prevent chronic disease.

Aug 20, 2026
Medical Xpress / Prostate cancer hijacks amino acid metabolism to signal hormone therapy resistance

Prostate tumors can rewire amino acid metabolism to override the normal brakes on cholesterol production, a process that may fuel hormone therapy resistance, according to a study by Weill Cornell Medicine investigators.

Aug 20, 2026