Medical Xpress news

Medical Xpress / ChatGPT advice preferred over that of professionals, finds mental health study

Artificial intelligence provides good answers to mental health questions. Young people even like ChatGPT's responses better than health care professionals' advice, according to a new study published in DIGITAL HEALTH.

Apr 29, 2026
Medical Xpress / Reward or punishment? New study reveals learning processes in the fruit fly brain

Researchers at Leipzig University have gained important insights into learning mechanisms in the brain of the fruit fly (Drosophila melanogaster). In a new study published in the Proceedings of the National Academy of Sciences, ...

Apr 29, 2026
Medical Xpress / Maternal antibodies in pregnancy may shape lifelong defenses against gum disease

A study from the Hebrew University of Jerusalem has identified a significant link between maternal care and lifelong oral health. Led by Prof. Avi-Hai Hovav and the DMD/Ph.D. student Reem Naamneh from the Faculty of Dental ...

Apr 29, 2026
Medical Xpress / AI computation enables clearer views of the deep brain, bypassing the need for expensive equipment

Professor Iksung Kang (School of Electrical Engineering), in collaboration with Professor Na Ji's research team at UC Berkeley, has developed a technology that accurately corrects image aberrations in microscopes used for ...

Apr 29, 2026
Medical Xpress / Early disadvantage linked to fewer preventive dental visits into adulthood

People who experienced early socioeconomic disadvantage (SED) were 12–16% less likely to go for preventive dental visits during both adolescence and adulthood, a new University of Bristol study has found. The findings, published ...

Apr 29, 2026
Medical Xpress / These overlooked pregnancy symptoms can signal a life-threatening turn before anyone sees it coming

Ten previously unknown symptoms may indicate an increased risk of severe seizures in pregnant women with preeclampsia—enabling timely preventive treatment for the right patients. The findings, published in PLOS Medicine, ...

Apr 29, 2026
Medical Xpress / B-cell clusters inside kidneys mark faster diabetic disease progression, new maps reveal

A detailed new map of the human kidney revealed a previously unrecognized form of diabetic kidney disease (DKD) marked by clusters of immune cells—specifically B cells—that are linked to faster disease progression. The findings ...

Apr 29, 2026
Medical Xpress / How killer T cells attack tumors in 3D could sharpen future cancer immunotherapy

Cytotoxic T lymphocytes are the body's specialized "killer" cells, precisely eliminating infected or cancerous cells. Their action relies on a specialized exchange zone called the "immune synapse," where they release active ...

Apr 29, 2026
Medical Xpress / Community-based care can cut depression and self-harm risk among teens in India's urban slums

In a significant advance for adolescent mental health in India, researchers have successfully demonstrated a scalable, community‑based care model through Project ARTEMIS, showing measurable reductions in depression, self‑harm ...

Apr 29, 2026
Medical Xpress / Placental contractions may occur in 6 of 10 healthy pregnancies, MRI scans reveal

The placenta contracts independently of the rest of the uterine wall, as seen in around 60% of 36 MRI-scanned healthy pregnancies, according to a new study published in the journal PLOS One by Louise Dewick of the University ...

Apr 29, 2026
Medical Xpress / Microplastics turn up in nearly every human brain sample, including healthy tissue

Tiny micro- and nanoplastic fragments seem to be turning up everywhere, including one of the most well-protected parts of the human body—the brain. In a recent study conducted by Chinese researchers, they found microplastics ...

Apr 28, 2026
Medical Xpress / Excessive cholesterol in astrocytes linked to cognitive decline in Alzheimer's mice

Alzheimer's disease (AD) is a neurodegenerative disorder that leads to progressive memory loss and a decline in mental functions. Several past studies have linked this disease to the accumulation of the protein amyloid-β ...

Apr 28, 2026