Medical Xpress news

Medical Xpress / Unexpected cancer mutations in brain's immune cells may help fuel Alzheimer's disease

As the body ages, cells naturally accumulate dozens of genetic mutations each year. New research from Boston Children's Hospital, published in Cell, finds that the brain's resident immune cells, microglia, amass mutations ...

Apr 21, 2026
Medical Xpress / How coffee reshapes the gut-brain axis and lifts mood—even without caffeine

New research from APC Microbiome Ireland, a research center at University College Cork, has comprehensively explored the mechanisms behind coffee's positive effects on the gut–brain axis for the first time. The study published ...

Apr 21, 2026
Medical Xpress / One hidden factor in your 20s can leave a lasting mark on your heart decades later

Individuals exposed to adverse neighborhood social factors in early adulthood demonstrated a higher risk of developing coronary artery calcification in midlife, a key measure of early cardiovascular disease, according to ...

Apr 21, 2026
Medical Xpress / B cells that fight infections may also boost muscle performance during exercise

B cells are white blood cells that form a core part of the body's adaptive immune system, enabling it to recognize specific infections, remember them, and mount a targeted response by producing antibodies. A recent study ...

Apr 21, 2026
Medical Xpress / This bioengineered chewing gum wipes out cancer-linked mouth microbes while sparing healthy bacteria

Researchers led by Henry Daniell of the School of Dental Medicine have shown that extracts from bioengineered chewing gum reduce the levels of three microbes known to be associated with head and neck squamous cell cancer ...

Apr 21, 2026
Medical Xpress / Plug-and-play AI recognizes 18 cancer types from just a handful of slides

A research team led by The Hong Kong University of Science and Technology (HKUST) has developed a pioneering artificial intelligence (AI) pathology analysis system that can accurately recognize multiple types of cancer using ...

Apr 21, 2026
Medical Xpress / These unusual two-story homes are rewriting child survival in rural Africa in ways few expected

A major study involving Durham University shows that a radical rethink of rural housing design in sub-Saharan Africa can protect children from the three deadliest childhood diseases. The three-year trial in Tanzania found ...

Apr 21, 2026
Medical Xpress / Does the brain work like an LLM in predicting words? New study spells out a complicated answer

The appearance of predictive text in writing an email or text message has become, for better or worse, a regular feature of our lives, saving us time by seamlessly filling in a word before we can type it or frustrating us ...

Apr 21, 2026
Dialog / When pomegranates meet the artery wall: How gut-derived metabolites may stabilize atherosclerotic plaques

For years, pomegranates have enjoyed a reputation as a "heart-healthy" fruit. As a cardiovascular researcher, I have often been asked a seemingly simple question: If pomegranates are so good for us, how exactly do they work? ...

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 / 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