Medical Xpress news

Medical Xpress / Early-life chemical exposure may leave extra X and Y chromosomes in sperm

An estimated 7% of all men are affected by infertility. Multiple animal studies indicate that exposure to persistent environmental chemicals in early life can negatively impact male reproductive health, and now a human study ...

May 5, 2026
Medical Xpress / Same genetic mutation, different clinical outcomes: Study shows why neurodevelopmental disorders vary so widely

Individuals that share the same deletion of a portion of chromosome 16 are at risk of developing neurodevelopmental disorders, but some experience severe intellectual disability or developmental delay, while others may only ...

May 5, 2026
Medical Xpress / Machine learning reveals two main Parkinson's types and five subgroups

A new study led by researchers from VIB and KU Leuven shows that Parkinson's disease can be divided into distinct subtypes, helping explain why a single treatment does not work for all patients. Using a machine-learning-driven ...

May 5, 2026
Medical Xpress / Optimized formula helps lab-grown heart cells act more like adult tissue

Researchers at the University of Toronto's Institute of Biomedical Engineering have developed a new method to mature lab-grown heart cells, so they more closely resemble adult human heart tissue. By optimizing the chemical ...

May 5, 2026
Medical Xpress / The slow burn behind type 2 diabetes revealed

More than half a billion people worldwide are living with diabetes, the vast majority with type 2 diabetes (T2D), a chronic condition that continues to rise alongside aging populations and changing lifestyles. Despite its ...

May 5, 2026
Medical Xpress / Unmasking autism spectrum disorder through its gene-based roots

Two studies led by the Chahrour Lab at UT Southwestern Medical Center shed new light on genes associated with autism spectrum disorder (ASD), the neurodevelopmental disease characterized by impaired communication, abnormal ...

May 5, 2026
Medical Xpress / AI pathology framework can enable a deeper understanding of cancer

The digital transformation of pathology is opening up new possibilities for cancer diagnosis. Today's artificial intelligence (AI) techniques now go far beyond mere automation: they make it possible to extract previously ...

May 5, 2026
Medical Xpress / Global outbreaks may fuel violence against women—but most cases go unmeasured

Violence against women and girls may increase during infectious disease outbreaks—as economic strain, isolation and disrupted services reshape daily life—yet those impacts remain largely unmeasured, according to researchers ...

May 5, 2026
Medical Xpress / Poor mental health may shape care quality, confidence and unmet needs across 18 countries

People with self-reported poorer mental health also report worse quality of care and lower confidence in health care systems, according to a study published May 5 in the open-access journal PLOS Medicine by Margaret E. Kruk ...

May 5, 2026
Medical Xpress / This hand-held cancer probe feels what surgeons may miss and changes how tumors are found in real time

Breast cancer impacts over two million women around the world each year. Following radiotherapy or chemotherapy, breast-conserving surgery is the first line of intervention for early-stage breast cancer. This surgery aims ...

May 5, 2026
Medical Xpress / A brain mechanism may help slow Parkinson's disease—but only in females

Scientists have identified a protective brain pathway that may help slow the progression of Parkinson's disease by strengthening the brain's own dopamine-producing neurons, but the positive effect was only observed in females.

May 5, 2026
Medical Xpress / Glial cells reveal why some ALS cases progress slowly over decades

The core facilities of the Cibio Department of the University of Trento have all taken part in a study on amyotrophic lateral sclerosis (ALS) to better understand the molecular mechanisms of slow-progressing cases. The study ...

May 5, 2026