Medical Xpress news

Medical Xpress / Drug resistance in pancreatic cancer: Scientists pinpoint major and minor signaling pathways that drive it

Cancer drug resistance is the devastating reason that treatments fail and cancers metastasize, spreading to distant sites seeding new resistant tumors elsewhere in the body.

40 minutes ago in Oncology & Cancer
Medical Xpress / Psychedelics can disrupt normal link between brain's neuronal activity and blood flow

Psilocybin is a psychedelic drug with promising clinical applications for treating mood disorders and substance abuse disorders. Recent work in functional MRI (fMRI) studies show that psychedelics can reset brain network ...

6 minutes ago in Neuroscience
Medical Xpress / Breastfeeding while on antidepressants does not affect a child's IQ, long-term study finds

Breastfeeding mothers can feel reassured by new research that has found that taking antidepressant treatment does not negatively impact their baby's brain development.

1 hour ago in Obstetrics & gynaecology
Medical Xpress / Priming for depression in a dimly lit world

St. Hedwig Hospital and Charité–Universitätsmedizin Berlin researchers report that repeated mornings spent under dim indoor light in healthy young adults raised afternoon and evening cortisol and reshaped sleep in ways ...

3 hours ago in Psychology & Psychiatry
Medical Xpress / Light-based brain therapy shows promise in cutting opioid cravings and relapse

Washington State University researchers have discovered how a neural circuit—or a connection between two brain regions—drives relapse after opioid use, a finding that could lead to more effective treatments for opioid ...

1 hour ago in Neuroscience
Medical Xpress / New model frames human reinforcement learning in the context of memory and habits

Humans and most other animals are known to be strongly driven by expected rewards or adverse consequences. The process of acquiring new skills or adjusting behaviors in response to positive outcomes is known as reinforcement ...

2 hours ago in Psychology & Psychiatry
Medical Xpress / Thirdhand smoke: This hidden danger puts kids and adults at risk

Most people know secondhand smoke is harmful—but thirdhand smoke? That's the toxic residue tobacco leaves behind on surfaces like carpets, furniture, wallboards, and clothing, where it can linger for years.

1 hour ago in Health
Medical Xpress / Ultrasensitive liquid biopsy method detects low-frequency cancer mutations

Liquid biopsy is increasingly recognized as a promising tool for cancer detection and treatment monitoring, yet its effectiveness is often limited by the extremely low levels of tumor-derived DNA circulating in the blood.

2 hours ago in Oncology & Cancer
Medical Xpress / Experimental antibody enables lasting platelet stability in autoimmune bleeding condition

More than half of patients in a Phase III clinical trial who received a limited course of the experimental monoclonal antibody ianalumab for primary immune thrombocytopenia (ITP), an autoimmune disorder that can cause life-threatening ...

Medical Xpress / Online tool detects drug exposure directly from patient samples

Doctors and researchers try to understand what medications a person has taken by asking patients directly or by looking at medical records. But this information is often incomplete. People may forget what they took, use over‑the‑counter ...

7 hours ago in Medications
Medical Xpress / Running boosts dopamine and coordination in aging mice, providing potential insight into Parkinson's disease

The brain-chemical surge that comes with running may bolster coordination and speed in the old and young alike, a new study of middle-aged mice shows. Such physical activity may help restore ease of movement and agility, ...

Medical Xpress / Computational tool can detect how genetic interactions impact human traits

A new study has developed a powerful computational method that can detect how genes interact with each other to influence complex traits in humans at a scale previously impossible. The new method was applied to massive datasets ...

7 hours ago in Genetics