Medical Xpress news

Medical Xpress / Stress and addiction: New research reveals what connects them

Why do stressful moments so often push people toward habits like drinking? A new study from Texas A&M University offers one of the clearest answers yet, identifying a direct connection inside the brain that links stress to ...

Mar 31, 2026
Medical Xpress / Sleep cleans the brain: Researchers develop fast, non-invasive way to measure the process

Sleep helps the brain to cleanse itself—and now this process can be measured in humans entirely noninvasively. Researchers at the University of Oulu have developed a method that allows the increased movement of brain fluids ...

Mar 31, 2026
Medical Xpress / How time and space become one inside your brain—and what it means for Alzheimer's

If you develop Alzheimer's disease, you not only lose your sense of time, but you also lose your sense of place. Could time and place be two sides of the same coin? About 55 million people globally are currently living with ...

Mar 31, 2026
Medical Xpress / 3 million-cell map shows menopause reshapes breast tissue, possibly raising cancer risk

Scientists have created the most detailed map to date, comprised of over 3 million cells, showing how breast tissue changes as women age—including dramatic changes during menopause.

Mar 31, 2026
Medical Xpress / Plastic additives tied to millions of preterm births worldwide

Exposure to a chemical commonly used to make plastic more flexible may have contributed to about 1.97 million preterm births in 2018 alone, or more than 8% of the world's total, a new analysis of population surveys shows. ...

Mar 31, 2026
Medical Xpress / Chemical compound clears misfolded tau, protects neurons in a model of frontotemporal dementia

New research from Washington University School of Medicine in St. Louis adds to growing evidence that helping brain cells break down and eliminate their own cellular waste is a promising treatment strategy for a variety of ...

Mar 31, 2026
Medical Xpress / Higher‑level brain systems that interpret perception may play a central role in imagination

Imagination is one of the most powerful things our brains can do. We can relive past events while taking a walk, rehearse future conversations through inner speech or sense the heat of a fire without touching it—allowing ...

Mar 31, 2026
Medical Xpress / Unexpected findings on lung cancer CT scans may point to other non-lung cancers

When doctors review diagnostic medical scans for lung cancer, they sometimes spot abnormalities unrelated to the lungs. New research shows that some of those abnormalities could be signs of other undiagnosed cancers. The ...

Mar 31, 2026
Medical Xpress / AI model can detect multiple cognitive brain diseases from a single blood sample

The symptom profiles of different neurodegenerative diseases often overlap, and diagnosing age-related cognitive symptoms is complex. A patient may have multiple overlapping disease processes in the brain at the same time, ...

Mar 31, 2026
Medical Xpress / Down syndrome study suggests early RNA editing shifts may reshape fetal brain circuits

A collaborative research study co-led by scientists at the Icahn School of Medicine at Mount Sinai and the Liber Institute for Brain Development has for the first time identified a biological process that may help explain ...

Mar 31, 2026
Medical Xpress / Cysteine pathways help T cells choose between multiplying and attacking tumors

A research team from the Johns Hopkins Kimmel Cancer Center, its Bloomberg~Kimmel Institute for Cancer Immunotherapy and the Johns Hopkins Bloomberg School of Public Health has discovered how the immune system's CD8+ T cells ...

Mar 31, 2026
Medical Xpress / Scientists capture early stages of immune response inside cells

In new research, scientists at the Department of Energy's SLAC National Accelerator Laboratory, in collaboration with researchers at Harvard University and Brigham Young University, used the Stanford-SLAC Cryo-EM Center to ...

Mar 31, 2026