Medical Xpress news

Medical Xpress / Parkinson's add-on drugs may spur gut bacteria that break down levodopa, study finds

Levodopa—the gold-standard treatment for Parkinson's disease—increases dopamine in the brain. But as the disease progresses in severity, patients often need to take additional drugs to manage their symptoms. One class of ...

14 hours ago
Medical Xpress / Healthier plant-based diet associated with lower risk of Alzheimer's, other dementias

Eating a higher quality plant-based diet is associated with a lower risk of Alzheimer's disease and other related dementias compared to eating a lower quality plant-based diet, according to a study published in Neurology. ...

14 hours ago
Medical Xpress / Loss of microbiota alters the profile of cells that protect the intestinal wall, experiments reveal

A research team led by scientists from the State University of Campinas (UNICAMP) in São Paulo, Brazil, has made significant progress in understanding the relationship between gut microbiota and intestinal cells. The study, ...

15 hours ago
Medical Xpress / Long-term opioid prescribing has fallen, but millions still receive extended opioid therapy

Long-term opioid prescribing has fallen in the United States over the last decade, but millions of patients still received opioids for 90 days or longer in 2023, according to a new research letter in JAMA led by University ...

14 hours ago
Medical Xpress / Physical activity and appropriate sleep linked to subsequent lower dementia risk

An estimated 55 million people live with dementia worldwide, and both its prevalence and cost are expected to increase, with global costs projected to reach $2 trillion dollars by 2030. Current treatments for preventing or ...

16 hours ago
Medical Xpress / Blocking RNA 'cleanup' may expose hidden cancer antigens, boosting immunotherapy

A new method of making cancer cells more visible to the immune system could improve how well immunotherapy works against a range of different tumors, potentially leading to more effective treatment for patients, according ...

15 hours ago
Medical Xpress / Being physically fit helps prevent diseases: Study points to causal link

Being physically fit improves our health and keeps illness at bay. This relationship has long been assumed for numerous disorders, but until now there has been no scientific evidence demonstrating a causal link between the ...

17 hours ago
Medical Xpress / Some common IBS treatments are linked to a higher risk of death, say study

A large, long-term study led by Cedars-Sinai Health Sciences University investigators suggests that some medications commonly prescribed to treat irritable bowel syndrome (IBS)—including antidepressants—may be associated ...

Apr 8, 2026
Medical Xpress / Sequencing method exposes hidden gaps in immune signaling by tracking RNA and protein together

A new single-cell technology is giving scientists their clearest view yet of immune cell behavior—capturing not just genetic intent, but real-time activity. By measuring RNA and proteins simultaneously, it reveals cytokine ...

Apr 8, 2026
Medical Xpress / Can gluten pass through a kiss? New data are reassuring

For people living with celiac disease, the fear of gluten exposure can extend beyond food—sometimes even into moments of intimacy. A new study published in Gastroenterology offers reassuring news: while gluten can be transferred ...

Apr 8, 2026
Medical Xpress / Virus from seafood is linked to a persistent eye disease in humans

A virus that typically infects marine animals, such as shrimp and fish, has jumped to humans and is causing chronic eye disease in some people, according to a study published in the journal Nature Microbiology. In recent ...

Apr 7, 2026
Medical Xpress / CBD found to reverse brain damage in mouse model of Alzheimer's disease

Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive memory loss, cognitive decline, and behavioral changes. The deficits linked to AD are known to result from the abnormal accumulation of ...

Apr 7, 2026