Medical Xpress news

Medical Xpress / How brain waves shape our sense of self

A new study from Karolinska Institutet, published in Nature Communications, reveals how rhythmic brain waves known as alpha oscillations help us distinguish between our own body and the external world. The findings offer ...

Jan 12, 2026 in Psychology & Psychiatry
Medical Xpress / Higher daylight exposure improves cognitive performance, study finds

A real world study led by University of Manchester neuroscientists has shown that higher daytime light exposure positively influences different aspects of cognition.

Jan 12, 2026 in Psychology & Psychiatry
Medical Xpress / One in four older Americans with dementia prescribed risky brain-altering drugs despite safety warnings

Despite years of clinical guidelines warning against the practice, one in four Medicare beneficiaries with dementia is prescribed brain-altering medications linked to falls, confusion, and hospitalization, according to new ...

Medical Xpress / Brain cancer digital twin predicts treatment outcomes by mapping tumor metabolism

A new machine-learning-based approach to mapping real-time tumor metabolism in brain cancer patients, developed at the University of Michigan, could help doctors discover which treatment strategies are most likely to be effective ...

Jan 12, 2026 in Oncology & Cancer
Dialog / Scientists report new immune insights and targets into LRRK2 mutations in Parkinson's disease

Parkinson's disease (PD) is a debilitating and progressive neurodegenerative disorder caused by the loss of dopamine-producing neurons in the substantia nigra, a brain region essential for motor control. Clinically, it is ...

Jan 12, 2026 in Genetics
Medical Xpress / How weight loss benefits the health of your fat tissue

It is well known that obesity typically leads to inflammation and dysfunction of fat tissue that increases the risk of developing metabolic diseases such as diabetes and cardiovascular diseases.

Jan 12, 2026 in Overweight & Obesity
Medical Xpress / Unexpected finding could offer new treatment targets for meth addiction

University of Florida neuroscientists have made a mechanistic discovery that paves the way to test immune-modulating medicines as a potential tool to break the cycle of methamphetamine addiction.

Jan 12, 2026 in Neuroscience
Medical Xpress / A simple blood test can predict Crohn's disease years before symptoms appear

Sinai Health researchers have shown a blood test that can predict Crohn's disease years before symptoms appear, opening the doors to early diagnosis and potentially prevention.

Medical Xpress / Evaluating apps for treating depression: Study finds most aren't supported by scientific evidence

Diagnoses of depression, one of the most common mental disorders, increased by nearly 50% between 1990 and 2017, according to data from the World Health Organization (WHO). Currently, depression affects around 5% of the world's ...

Jan 12, 2026 in Medical research
Medical Xpress / Stressed and rushed? Your decisions might suffer

Picture this. You're sitting in an office reception, waiting to be called in for an interview for your dream job. You have no appetite. Your palms are sweaty and your heart is thumping. Your anxiety rises. In short, you're ...

Jan 12, 2026 in Psychology & Psychiatry
Medical Xpress / AI helps fuel new era of medical self-testing

Beyond smart watches and rings, artificial intelligence is being used to make self-testing for major diseases more readily available—from headsets that detect early signs of Alzheimer's to an iris-scanning app that helps ...

Jan 12, 2026 in Health
Medical Xpress / Clinical trial in Ethiopia targets the trachoma scourge

Trachoma is the leading cause of infectious blindness in the world, with Ethiopia the most impacted country in Africa. In a clinical trial of more than 2,400 individuals, researchers led by Dr. John Kempen of Mass Eye and ...

Jan 12, 2026 in Ophthalmology