Medical Xpress news

Medical Xpress / New GLP-1 pill orforglipron outperforms oral semaglutide in yearlong diabetes trial

A novel GLP-1 receptor agonist (RA) pill called orforglipron leads to a larger reduction in blood sugar levels after a year than the current available oral GLP-1 RA (semaglutide), finds a phase 3 randomized controlled trial ...

Feb 26, 2026 in Overweight & Obesity
Medical Xpress / Tackling tuberculosis systematically: How the environment shapes TB risk

Despite major advances in diagnostics and treatment, tuberculosis (TB) remains the world's deadliest infectious disease. In a new study published in The Lancet Global Health, researchers from Ludwig Maximilian University ...

Medical Xpress / Dry eye often precedes autoimmune disease diagnosis, new study finds

Frequent dry eyes may signal more than simple irritation and could be an early warning sign of an autoimmune disease. This symptom has long been associated with Sjögren's Disease, a chronic autoimmune condition in which ...

Feb 25, 2026 in Immunology
Medical Xpress / Frequently distracted? Your brain rhythms may be to blame

Scientists may have new answers to why pop-ups or notifications grab our attention. Turns out our attention is on a cycle, shifting seven to 10 times per second. This rhythmic occurrence may be crucial for survival, as it ...

Feb 25, 2026 in Neuroscience
Medical Xpress / Surprising culprit leads to chronic rejection of transplanted lungs and hearts

Despite advances in the field of organ transplantation, long-term organ rejection that can become apparent a decade or more after a heart or lung transplant remains a common problem for patients. This chronic organ failure ...

Medical Xpress / Scientists sharpen genetic maps to help pinpoint DNA changes that influence human health traits and disease risk

Scientists have identified how specific genetic changes function in cells to influence disease risk and other human health traits. By probing regions of DNA previously linked to disease, the work has created high-resolution ...

Feb 25, 2026 in Genetics
Medical Xpress / Superagers' brains have a 'resilience signature,' and it's all about neuron growth

Brains of older adults with super-healthy cognition grow more new neurons than those of their peers, according to a study from UIC, Northwestern University and the University of Washington. Researchers found that the brains ...

Feb 25, 2026 in Neuroscience
Medical Xpress / Women show greater tau buildup and faster cognitive decline than men in Alzheimer's

Tau proteins act like the brain's maintenance crew, helping maintain the structure and proper function of brain cells. In neurodegenerative diseases such as Alzheimer's, the tau proteins can form tangles that disrupt normal ...

Feb 25, 2026 in Neuroscience
Medical Xpress / Skeletal muscle retains a 'molecular memory' of repeated disuse, study finds

Muscle loss (atrophy) due to inactivity is common after illness, injury, hospitalization or falls, and becomes increasingly frequent with aging. New research published in Advanced Science shows that skeletal muscle retains ...

Feb 25, 2026 in Endocrinology & Metabolism
Medical Xpress / Keto diet may restore exercise benefits in people with high blood sugar

To be healthy, conventional wisdom tells us to exercise and limit fatty foods. Exercise helps us lose weight and build muscle. It makes our hearts stronger and boosts how we take in and use oxygen for energy—one of the ...

Feb 25, 2026 in Health
Medical Xpress / Vitamin B3 therapy offers hope for fatal childhood disease

Scientists at Gladstone Institutes have flipped the traditional approach to finding potential treatments for deadly diseases. Instead of starting with a disease and hunting for a cure, they began with vitamins and systematically ...

Medical Xpress / How ketogenic diets help prevent seizures

A ketogenic diet—one that is high in fat and extremely low in carbohydrates—has been known for decades to reduce seizures in some epilepsy patients. But how the highly restrictive diet achieves these effects has not previously ...

Feb 25, 2026 in Endocrinology & Metabolism