Medical Xpress news

Medical Xpress / Long before adulthood, a chemical mark may quietly shape how the brain handles stress

Stress or trauma during childhood may leave people more vulnerable to mental health struggles and stress later in life. Scientists think one reason could be that early-life stress leaves lasting molecular bookmarks on DNA, ...

Aug 11, 2026
Medical Xpress / Air pollution-linked blood changes detected years before lung cancer diagnosis

A new study, published Tuesday in Nature Communications, found measurable changes in people's blood associated with exposure to air pollution and the subsequent development of lung cancer. The findings provide promising clues ...

Aug 11, 2026
Medical Xpress / Cells' own abnormal RNA may trigger inflammation during viral infection, challenging 20 years of assumptions

New research led by the Hudson Institute of Medical Research has shown how a cell recognizes that it is infected with a virus to protect itself and surrounding cells or induce inflammation. The discovery, published in Nature ...

Aug 11, 2026
Medical Xpress / Cell-surface receptors guide antisense therapy to mutant KRAS in pancreatic cancer cells

Antisense oligonucleotides (ASOs) have been proposed as a therapeutic approach to shut down the production of faulty proteins in a wide variety of diseases, including cancer. In a study published in the Journal of Cell Biology ...

Aug 11, 2026
Medical Xpress / MRI model reveals microstructural brain changes linked to Huntington's disease

Researchers have shown that an imaging model can detect microstructural abnormalities in the brain associated with Huntington's disease, potentially offering a new method for monitoring disease progression and evaluating ...

Aug 11, 2026
Medical Xpress / Single-cell atlas reveals how spinal neurons help coordinate walking and other rhythmic movements

Scientists at St. Jude Children's Research Hospital created a single-cell atlas of a key class of spinal neurons involved in motor coordination. From that resource, they identified a small subgroup of interneurons associated ...

Aug 11, 2026
Medical Xpress / Thyroid's two hormone-producing cell types develop separately before merging, study finds

The thyroid gland consists of two types of hormone-producing cells that regulate the body's metabolism and calcium balance. In mammals, these cell types merge into a single organ, whereas in other vertebrates, they develop ...

Aug 11, 2026
Medical Xpress / Brain immune cell map explains how defenses shift during Alzheimer's progression

The brain's immune cells are increasingly recognized as key players in Alzheimer's disease, but exactly how they change as the disease develops has remained unclear. A new study published in Nature Genetics provides the most ...

Aug 11, 2026
Medical Xpress / Stem cells create humanlike heart valve tissue to model disease and test treatments

Melbourne researchers have created human heart valve tissues from stem cells, providing a powerful new platform to advance treatments for childhood heart diseases.

Aug 11, 2026
Medical Xpress / Wearable microneedle patch empowers conventional ultrasound for continuous glucose monitoring

Long-term diabetes management requires continuous blood glucose monitoring to detect abnormalities early and intervene in time. However, conventional fingertip blood sampling is both painful and inconvenient, while most continuous ...

Aug 11, 2026
Medical Xpress / Immune cells rely on a cholesterol sensor to maintain balance, researchers discover

Every day, billions of cells in our body die and are removed as part of normal tissue maintenance. This continuous cleanup process is essential for keeping the immune system in balance and preventing harmful immune reactions ...

Aug 11, 2026
Medical Xpress / ACL injuries may get an early-warning system through AI and wearable sensors

As a sophomore wide receiver who had just joined the USF football team, Jaden Alexis didn't expect a routine play to turn into a career-defining moment. During preseason football camp, Alexis had just sprinted up the sideline ...

Aug 11, 2026