Medical Xpress news

Medical Xpress / The physical activity paradox: Not all forms of exercise lower your dementia risk. This type raises it

Not all physical activity is equal when it comes to protecting the brain from dementia. Where and why we move may matter more than most people realize.

Aug 24, 2026
Medical Xpress / Clinical trial to treat rectal cancer spares major surgery

A new treatment for earlier-stage rectal cancer could transform how patients are treated for the disease, according to a landmark clinical trial.

Aug 24, 2026
Medical Xpress / Enhancing confidence in AI enhanced brain tumor imaging by measuring uncertainty

MRIs are among the most accurate imaging tests used to diagnose brain tumors, and MRI-based monitoring of tumors guides critical treatment decisions. The clinical standard for measuring tumors often relies on either subjective ...

Aug 24, 2026
Medical Xpress / How well do COVID antivirals actually work? Not as well as we thought

If you're 70 or older, or 50 or older with underlying health conditions, and have tested positive for COVID, you might have been offered free or subsidized antivirals.

Aug 24, 2026
Medical Xpress / Study finds that obesity in adolescence may be more reversible than previously thought

Obesity doesn't look the same at age 15 as it does at age 45, and Duke University School of Medicine researchers are learning why. A study published in the Journal of Clinical Investigation showed teenagers retain a degree ...

Aug 24, 2026
Medical Xpress / Rethinking how we define neurodegenerative diseases

On the surface, amyotrophic lateral sclerosis (ALS), frontotemporal dementia (FTD) and limbic-predominant age-related TDP-43 encephalopathy (LATE) might seem like unrelated diseases. ALS destroys motor neurons, causing muscle ...

Aug 24, 2026
Medical Xpress / Immunotherapy shows promise for clearing residual melanoma cells

Cornell researchers successfully ramped up the body's own immune response to fight melanoma at the tail end of targeted cancer therapy, when tumors commonly become resistant to these therapies and leave behind residual cancer ...

Aug 24, 2026
Medical Xpress / Weight loss drugs may offer a new avenue for bipolar disorder research

Glucagon-like peptide 1 receptor agonists (GLP-1RA), commonly used to treat diabetes and weight loss, may have additional mental health benefits, especially for people with bipolar disorder, new Griffith University research ...

Aug 24, 2026
Medical Xpress / Spatial atlas reveals how ovarian clear cell tumors vary from core to edge

Ovarian clear cell carcinoma (OCCC) has a higher prevalence among East Asian women and is characterized by poor clinical outcomes. An interdisciplinary team led by Professor Ruby Yun-Ju Huang at National Taiwan University ...

Aug 24, 2026
Medical Xpress / Researchers find no connection between pesticide exposure and social difficulties common in autism

Prenatal exposure to certain insecticides used in agriculture does not appear to be linked to social communication problems and other traits related to autism, a new study shows.

Aug 24, 2026
Medical Xpress / How the Chagas disease parasite 'activates' its infectious form

The Chagas disease parasite (Trypanosoma cruzi) undergoes a major transformation throughout its life cycle to infect humans and other mammals. It alters the types and amounts of proteins in its body to adapt. The factors ...

Aug 24, 2026
Medical Xpress / Why one size doesn't fit all—type 2 diabetes can operate differently across weight profiles

Research published in Diabetologia by Amsterdam UMC and the University of Ghana reveals that type 2 diabetes manifests in two fundamentally different ways depending on a patient's body mass index (BMI). While type 2 diabetes ...

Aug 24, 2026