Medical Xpress news

Medical Xpress / Inside tumors, immune cells hide a split personality—and one side could quietly decide cancer's fate

Macrophages, key regulators of tissue health and immune defense, are among the most abundant immune cells in solid tumors. Their role in cancer has been difficult to define because even closely related macrophage populations ...

Apr 21, 2026
Medical Xpress / How the internal liver clock orchestrates daily fat secretion

Every day, the liver packages fat and releases it into the bloodstream to fuel the body, supplying energy to the heart, muscles, and other organs during the active hours of the day. The liver does not release fat into the ...

Apr 21, 2026
Medical Xpress / AI can use a photo of the eye to estimate retinal age, flag risk for major diseases

There may be some truth to the saying "the eyes are the window to the soul." Age-related changes are reflected in the retina, the light-sensitive tissue at the back of the eye. Recent research shows that a photo of the retina ...

Apr 21, 2026
Medical Xpress / HIV's earliest immune battle leaves blood traces that forecast powerful antibodies years later

Some people living with HIV develop antibodies capable of neutralizing many different strains of the virus. New research links this to immune responses that occur early in infection. The findings, published in PLOS Pathogens, ...

Apr 21, 2026
Medical Xpress / Common drug fails to ease knee osteoarthritis pain in largest trial yet

The University of Tasmania's Menzies Institute for Medical Research has found that the commonly prescribed medication, Diacerein, does not improve knee osteoarthritis symptoms, following a national study. Diacerein, a medication ...

Apr 21, 2026
Medical Xpress / Creating a wireless tissue-aware medical device network in the human body

Diagnostic tests for stomach conditions are tough for patients, as many of the most accurate ones involve minor surgical procedures or invasive techniques. Swallowable medical devices have emerged as a possible solution. ...

Apr 21, 2026
Medical Xpress / Molecular keyhole sheds light on pain and epilepsy

Researchers at VIB, VUB, and KU Leuven have identified a tiny binding site, a molecular "keyhole," in the TRPM3 ion channel, a crucial sensor in pain signaling. TRPM3 is also linked to rare neurodevelopmental disorders and ...

Apr 21, 2026
Medical Xpress / Extra chromosomes may help tumor cells move and engulf neighbors, study suggests

Researchers at Tulane University School of Medicine have discovered that if animal cells gain an extra set of chromosomes, a condition known as polyploidy, they activate a stress signaling pathway that causes them to become ...

Apr 21, 2026
Medical Xpress / Ukraine's war amputees are breaking the pain-trauma cycle, with most regaining function and quality of life

Most war amputees experience steady improvements in pain, psychological symptoms and quality of life over time, according to a new study that followed 156 Ukrainian amputees for one year and was led by Northwestern Medicine ...

Apr 21, 2026
Medical Xpress / Alzheimer's drugs offer little benefit, major review finds. And the reasons go deeper than the science

How is it possible to spend tens of billions of dollars developing drugs to treat a serious disease that affects millions of people, and yet end up with something that does not work? This is a mystery that has bedeviled Alzheimer's ...

Apr 21, 2026
Medical Xpress / Brain stores relapse and recovery memories side by side, alcohol study suggests

Every experience leaves a trace in the brain, a memory that can shape future behavior. Alcohol and other addictive substances are no exception. Over time, repeated alcohol use can create strong memories that link certain ...

Apr 21, 2026
Medical Xpress / Potential therapeutic strategy for Alzheimer's disease improves efficiency of learning and recall

Researchers have found evidence that a therapeutic strategy which makes the brain work more efficiently to learn and recall memories may in fact help to target compromised brain activity in Alzheimer's disease. The study ...

Apr 21, 2026