Medical Xpress news

Medical Xpress / Dementia with Lewy bodies: Why are some brain regions more affected than others?

Dementia with Lewy bodies is one of the most common forms of dementia in older adults, after Alzheimer's disease. It takes its name from "Lewy bodies," abnormal clumps of a protein called alpha-synuclein, first identified ...

Aug 26, 2026
Medical Xpress / Why men can struggle with weight-loss initiatives

A new study has identified why many men struggle with weight loss, finding that traditional diet programs are often perceived as too restrictive and primarily aimed at women. The research, published in PLOS One and led by ...

Aug 26, 2026
Medical Xpress / Immune responses to urinary tract infection linked to birth outcomes

A study published in Science Translational Medicine shows that the increased risk of preterm birth associated with urinary tract infection (UTI) is linked to the body's immune response to the infection rather than to the ...

Aug 26, 2026
Medical Xpress / AI and proteomics uncover seven blood proteins linked to vasculitis remission

Vasculitis is a disease in which the immune system mistakenly attacks blood vessel walls, causing them to become inflamed. If left untreated, the rare disease can severely damage organs, including the kidneys and lungs. Physicians ...

Aug 26, 2026
Medical Xpress / Maternity care improvements linked to fewer stillbirths and newborn deaths in sub-Saharan Africa

A combination of training, quality improvement and leadership support in hospitals across four countries in sub-Saharan Africa is linked to fewer stillbirths and deaths among newborns during the first 24 hours of life, according ...

Aug 26, 2026
Medical Xpress / Largest known living-eye cone cell database maps differences by age, sex and retinal location

National Eye Institute researchers have created the largest known database providing a reference for the size of individual cone photoreceptors, the cells in the retina responsible for color vision, across the lifespan. This ...

Aug 26, 2026
Medical Xpress / How mutation disrupts cell development, driving region-specific brain tumors

Scientists at St. Jude Children's Research Hospital have shown that specific brain cells respond differently to H3.3 K27M, a mutation in the histone H3.3 protein that drives many cases of diffuse midline glioma (DMG), depending ...

Aug 26, 2026
Medical Xpress / Heart capillaries may build natural bypasses for blood flow after heart attacks

The heart powers a busy highway of arteries and vessels, providing a constant to-and-fro passage for blood. During a heart attack, this passage becomes blocked, usually when a blood clot forms on plaque in a coronary artery ...

Aug 25, 2026
Medical Xpress / Internal body awareness does not predict mental health, study finds

The human brain continuously receives information from inside the body that helps detect physical needs and emotional states, such as a racing heartbeat, shortness of breath, hunger, thirst, pain and body temperature. Its ...

Aug 25, 2026
Medical Xpress / New mRNA immunotherapy eliminates pancreatic tumors in mice

Inspired by the work of the RNA Therapeutics Institute at UMass Chan Medical School and the development of the COVID vaccine, Marcus Ruscetti, Ph.D., and Chaitanya Naimesh Parikh, Ph.D. '26, have developed an immunotherapy ...

Aug 25, 2026
Medical Xpress / 'Supportive' brain cells may actively drive cognitive decline

Brain cells that produce the protective coating around nerve fibers can become dysfunctional with age and may actively contribute to cognitive decline, according to new research.

Aug 25, 2026
Medical Xpress / First-in-human pilot trial improves stem cell collection and delivery for sickle cell gene therapy

Patients with sickle cell disease are often hesitant to undergo transformative gene therapy—the current lengthy process requires multiple hospital visits to collect enough stem cells. Researchers from Boston Children's Hospital ...

Aug 25, 2026