Medical Xpress news

Medical Xpress / New way to find 'aged' cells marks fresh approach for research into aging

Researchers from Tokyo Metropolitan University have created a new way of telling aged human cells apart from younger ones using electric fields. While key markers have been found for these senescent cells, current methods ...

Jun 23, 2025 in Gerontology & Geriatrics
Medical Xpress / AI system predicts early childhood cavities in individual teeth with high accuracy

Early childhood caries (ECC)—the world's most prevalent chronic childhood disease—disproportionately targets specific teeth, a mystery that has remained unresolved until now.

Jun 23, 2025 in Dentistry
Medical Xpress / AI helps researchers understand lung disease and proposes treatment

The secrets of idiopathic pulmonary fibrosis (IPF) are written in its very name. Idiopathic refers to a disease of unknown cause, and the condition, which turns healthy lung tissue into fibrous scar tissue, still raises many ...

Medical Xpress / Repeated exposure to wildfires can incrementally increase heart failure risk

Long-term exposure to wildfire smoke may increase the risk of heart failure (HF), especially in older adults, women and vulnerable populations, according to a study published in the Journal of the American College of Cardiology ...

Jun 23, 2025 in Health
Medical Xpress / Antibiotics and energy inhibitors effectively kill aggressive melanoma cells by blocking mitochondrial pathways

Researchers have discovered that the most aggressive melanomas, the deadliest form of skin cancer, overactivate two key processes in mitochondria, the components of cells that provide energy. Blocking these pathways with ...

Jun 23, 2025 in Oncology & Cancer
Medical Xpress / Novel therapy saves patient with severe heart inflammation

Acute myocarditis—sudden inflammation of the heart—causes mild symptoms in most cases, but about 10% of acute myocarditis cases can be sudden and severe, leading to cardiac arrhythmias, heart pump failure, or even death. ...

Jun 23, 2025 in Medications
Medical Xpress / AI chatbot safeguards fail to prevent spread of health disinformation, study reveals

A study assessed the effectiveness of safeguards in foundational large language models (LLMs) to protect against malicious instruction that could turn them into tools for spreading disinformation, or the deliberate creation ...

Jun 23, 2025 in Health
Medical Xpress / How inflammation drives prostate tumor formation

Prostate cancer is one of the most common cancers and the second leading cause of cancer-related death in men worldwide. However, the mechanisms controlling the early stages of prostate cancer formation are poorly understood.

Jun 23, 2025 in Oncology & Cancer
Medical Xpress / Urinary metal levels tied to higher risk of heart failure

A new multi-cohort study at Columbia University Mailman School of Public Health has found that exposure to certain metals, detected in urine, is associated with a higher risk of heart failure (HF).

Medical Xpress / Simple nasal swab test could cut costly virus screenings in high-risk settings

The COVID-19 pandemic yielded important advances in testing for respiratory viruses, but it also exposed important unmet needs in screening to prevent the spread of infections in high-risk settings.

Medical Xpress / Heart valve for young children shines in early-stage preclinical testing

Researchers at the University of California, Irvine have successfully performed preclinical laboratory testing of a replacement heart valve intended for toddlers and young children with congenital cardiac defects, a key step ...

Jun 23, 2025 in Cardiology
Medical Xpress / A new national standard for safe, scalable AI in health care

Duke University School of Medicine researchers have developed two pioneering frameworks designed to evaluate the performance, safety, and reliability of large-language models in health care.

Jun 23, 2025 in Health informatics