Medical Xpress news

Medical Xpress / BRCA2 research reveals a novel mechanism behind chemoresistance

One of the biggest challenges in cancer treatment is chemoresistance: Tumors that initially respond well to chemotherapy become resistant over time. When that happens, treatment options are often limited.

Oct 30, 2025 in Oncology & Cancer
Medical Xpress / Chronic traumatic encephalopathy caused by more than just head trauma, study finds

Chronic traumatic encephalopathy (CTE)—most often found in athletes playing contact sports—is known to share similarities with Alzheimer's disease (AD), namely the buildup of a protein called tau in the brain.

Oct 30, 2025 in Neuroscience
Medical Xpress / New electrical signature of Parkinson's disease identified

What happens in the brain when a person experiences the characteristic movement symptoms of Parkinson's disease? Researchers around the world are seeking answers through various approaches. One of these builds on a treatment ...

Oct 30, 2025 in Neuroscience
Medical Xpress / Antidepressants improve core depressive symptoms early on, analysis finds

One of the most common antidepressants, sertraline, contributes to a modest improvement in core depression and anxiety symptoms, including low mood, within two weeks, finds a new analysis of a major clinical trial led by ...

Oct 30, 2025 in Medications
Medical Xpress / Americans have widespread misbeliefs about the cancer risks of alcohol, study finds

Despite clear evidence linking alcohol use to increased cancer risks, public awareness of this connection remains low in the U.S., according to new research from The University of Texas MD Anderson Cancer Center. Researchers ...

Oct 30, 2025 in Oncology & Cancer
Medical Xpress / Babies' gut bacteria may influence future emotional health

A child's early gut microbiome may influence their risk of developing depression, anxiety or other internalizing symptoms in middle childhood, according to a new UCLA Health study. The effect appears to be related to the ...

Oct 30, 2025 in Psychology & Psychiatry
Medical Xpress / 'Split-brain' study finds just a few fibers enable communication between the two hemispheres

Just a few fibers are enough for the two hemispheres of the brain to communicate with each other. This was shown by a new international study led by Professor Dr. Michael Miller (University of California, Santa Barbara) and ...

Oct 30, 2025 in Neuroscience
Medical Xpress / An app, an Apple Watch and AI: A new way for researchers to study sleep health

An app that turns consumer Apple Watches into tools for highly sophisticated sleep stage monitoring was developed by a team of researchers led by professor Joyita Dutta at the University of Massachusetts Amherst. The researchers ...

Oct 30, 2025 in Sleep disorders
Medical Xpress / Researchers patent formula to block the transition from acute to chronic pain

Anyone who has experienced chronic pain knows how debilitating it can be. Just ask Daniele Piomelli, Ph.D., who has dealt with pain twice in his life: once after a minor surgery, and again with a bad bout of back pain that ...

Oct 30, 2025 in Neuroscience
Medical Xpress / Asymptomatic carriers drive E. coli spread in households, researchers find

Researchers from the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), have discovered that some people can carry large amounts of a multidrug-resistant strain of Escherichia coli sequence ...

Medical Xpress / Hundreds of animal studies on brain damage after stroke flagged for problematic images

A new study has identified over 240 scientific publications on animal models of hemorrhagic stroke that contain potentially problematic images, thereby raising concerns about the trustworthiness of the body of literature ...

Oct 30, 2025 in Medical research
Medical Xpress / Study links genetic variants to higher 'bad' cholesterol and heart attack risk

An international team led by a University of Pittsburgh School of Medicine scientist has created a first-of-its-kind resource to identify those with a genetic risk for elevated "bad" cholesterol—a major contributor to heart ...

Oct 30, 2025 in Genetics