Medical Xpress news

Medical Xpress / Genetic variants shed light on kidney transplant rejection

Immunosuppressive medications help prevent organ rejection following transplantation, yet some patients still experience rejection despite receiving adequate treatment. New research from Yale, published in the Journal of ...

18 hours ago
Medical Xpress / Heart assembloids give researchers a new way to study heart valve disorders

A multidisciplinary, multi-institution group of researchers focused their expertise in genetics, mechanics, chemistry and biology on a chip the size of a postage stamp to model a particular class of heart conditions.

18 hours ago
Medical Xpress / Brain immune cell map explains how defenses shift during Alzheimer's progression

The brain's immune cells are increasingly recognized as key players in Alzheimer's disease, but exactly how they change as the disease develops has remained unclear. A new study published in Nature Genetics provides the most ...

Aug 11, 2026
Medical Xpress / Appetite-suppressing hormone may protect liver from inflammation through newly discovered signaling pathway

Researchers at McMaster University have discovered that a naturally occurring hormone best known for suppressing appetite and promoting weight loss also helps protect the liver from inflammation through a previously unknown ...

Aug 10, 2026
Medical Xpress / People carrying a rare gene variant have naturally low body fat, healthier livers and better blood sugar levels

There are people around us who can maintain their weight despite what they eat. This has led scientists to believe that a person's metabolism and tendency toward obesity may have genetic factors behind them. A large study ...

Aug 10, 2026
Medical Xpress / Lonely people can feel their heartbeat clearly like everyone else, but their brains respond differently

For a long time, psychologists have described loneliness as the discomfort that comes from wanting more social connection than we feel we have, but there is more nuance to loneliness. Scientists are increasingly finding that ...

Aug 10, 2026
Medical Xpress / Prostate cancer prognosis linked to prostate-specific antigen levels below threshold

After treatment for metastatic prostate cancer, a drop in prostate-specific antigen (PSA) levels in the blood is an indicator that treatment is working. A recent real-world study indicates that reaching a PSA level below ...

Aug 10, 2026
Medical Xpress / Unexpected brain mechanism challenges assumptions about GLP-1s

For decades, obesity medications produced only modest weight loss. But in recent years, Ozempic and related GLP-1 therapies have transformed the field, enabling sustained weight loss of 10% to 15% or more. Despite their success, ...

Aug 10, 2026
Medical Xpress / Simple blood test on a chip could help diagnose lung cancer

Researchers at Tel Aviv University have developed a new method for diagnosing lung cancer: a simple, fast, low-cost blood test that does not require DNA sequencing. The method identifies a chemical fingerprint of cancer cells ...

Aug 10, 2026
Medical Xpress / Triple-dose regimen may permanently clear HIV in infected newborns

Every year, more than 120,000 newborns worldwide contract HIV, creating a global health burden that requires lifelong treatment for millions of people—assuming they have access and can afford it. New research led by Oregon ...

Aug 10, 2026
Medical Xpress / Why a doctor saying 'it's normal' can backfire

A new study from the University of California San Diego Rady School of Management suggests that when physicians try to reassure patients by saying their symptoms are "normal," patients may infer that treatment isn't necessary—and ...

Aug 10, 2026
Medical Xpress / Patient-derived organoids reveal which breast tumors may resist standard therapies

Researchers at UC San Francisco have developed a new method to predict how different types of breast cancer will respond to treatment, using patient data from the I-SPY2 breast cancer trial and rapid testing on lab-grown ...

Aug 10, 2026