Medical Xpress news

Medical Xpress / This is your brain on psychedelics: Neuroimaging study sheds light on cortical network effects

Psychedelic drugs are being investigated as scientific and clinical tools, but the brain mechanisms behind their effects remain unclear. Earlier brain imaging studies in small cohorts from single centers produced inconsistent ...

Apr 6, 2026
Medical Xpress / How does mitochondrial DNA influence human health?

Some of your most important life partners are the mitochondria that power all your cells. You and these little cellular powerhouses are in a 1.5-billion-year-old evolutionary relationship—but mitochondria brought some baggage. ...

Apr 6, 2026
Medical Xpress / New mouse model of virus-driven liver cancer may boost diagnosis and treatments

Liver cancer is one of the world's deadliest cancers, and most cases are linked to chronic viral hepatitis. Yet scientists have lacked an animal model that faithfully recapitulates how the disease unfolds in people, from ...

Apr 6, 2026
Medical Xpress / Study finds hunger hit mental health harder than job loss amid COVID-19 pandemic

Not having enough food may have had a greater negative effect on mental health in the United States than unemployment or loss of income during the COVID-19 pandemic, according to a study led by Penn State researchers. The ...

Apr 6, 2026
Medical Xpress / Transcription factors form continuous 'circuit' that regulates T-cell exhaustion

Scientists have discovered how two transcription factors form a reciprocal regulatory circuit that controls T-cell exhaustion and migration during viral infection, which may inform future therapeutic strategies for managing ...

Apr 6, 2026
Medical Xpress / High‑fat diets linked to rapid decline in protective gut immune cells

In a preclinical study from Mass General Brigham, researchers have found that even short-term exposure to high levels of dietary fat results in a quick and selective loss of critical gut immune cells called ILC3s, promoting ...

Apr 6, 2026
Medical Xpress / Novel treatment protocol targets the deadliest cases of C. difficile infection

A new study from the University of Minnesota Medical School has demonstrated that fecal microbiota transplantation (FMT) can rapidly reverse systemic inflammation and improve survival in patients with fulminant Clostridioides ...

Apr 6, 2026
Medical Xpress / New therapeutic target identified for neuroendocrine tumors in the gastrointestinal tract

Neuroendocrine cells are unique in their ability to act both as nerve cells and hormone-making cells. They're scattered throughout the body, including the stomach, intestines, pancreas and lungs. Tumors that arise from these ...

Apr 6, 2026
Medical Xpress / How unsupervised screen time harms vulnerable preschoolers

Early problems with language can have a lasting negative impact on social and emotional development. Building on this foundation, a new groundbreaking study from Florida Atlantic University and Aarhus University in Denmark ...

Apr 6, 2026
Medical Xpress / Recent Medicaid expansions sharply increased access to treatment for opioid use disorder, researchers find

Medicaid insurance expansions between 2017 and 2023 sharply increased access to medication treatment for opioid use disorder in a period when fatal overdoses continued to climb, according to Rutgers Health researchers. Their ...

Apr 6, 2026
Medical Xpress / Imaging study sheds light on how deep brain stimulation acts on Parkinson's disease

Parkinson's disease (PD) is a neurodegenerative disorder that causes tremors, body stiffness and other difficulties with movement and balance, which progressively worsen over time. While there is currently no cure for PD, ...

Apr 5, 2026
Medical Xpress / A natural molecule present in the human body protects against the flu

A research team led by the Fisabio Foundation has demonstrated that dermcidin, an antimicrobial peptide produced constitutively by the human body, also exhibits antiviral activity against the influenza virus. The study also ...

Apr 5, 2026