Medical Xpress news

Medical Xpress / Prostate cancer hijacks amino acid metabolism to signal hormone therapy resistance

Prostate tumors can rewire amino acid metabolism to override the normal brakes on cholesterol production, a process that may fuel hormone therapy resistance, according to a study by Weill Cornell Medicine investigators.

Aug 20, 2026
Medical Xpress / How nicotine attacks the blood vessels: Mapping the biological hierarchy of cardiovascular harm

A review published in Nature Reviews Cardiology provides the most detailed picture yet of how nicotine damages the cardiovascular system—tracing the biological chain of events from the moment nicotine binds to receptors in ...

Aug 20, 2026
Medical Xpress / Math and medicine join forces to solve a cancer mystery

Immunotherapy has transformed outcomes for many cancer patients. Unlike conventional treatments, these therapies do not attack tumors directly. Instead, they enable the body's immune system to identify and kill cancer cells ...

Aug 20, 2026
Medical Xpress / Dietary compound boosts immunosuppressant's effect for lupus treatment

University of Alabama researchers have found that a combination of an existing immunosuppressant drug and a compound derived from dietary sources showed greater benefit than either treatment alone in a preclinical model of ...

Aug 20, 2026
Medical Xpress / Researchers estimate cancer risk in patients with pancreatic cysts, advancing early detection

Mayo Clinic researchers have estimated the risk that pancreatic cysts with worrisome or high-risk features will progress to pancreatic cancer or advanced precancerous changes within three years. The findings, published in ...

Aug 20, 2026
Medical Xpress / Colorectal cancer may quietly damage nerves prior to chemotherapy

Researchers at The University of Texas MD Anderson Cancer Center found that, in preclinical models of colorectal cancer, tumors can start damaging peripheral nerves before chemotherapy begins. These findings suggest tumor-related ...

Aug 20, 2026
Medical Xpress / Novel delivery of therapist-led online CBT can ease depression symptoms and improve daily functioning

A new way of delivering therapist-led online cognitive behavioral therapy (CBT) can reduce symptoms of depression and improve function, according to new University of Bristol-led research published in The Lancet Primary Care.

Aug 20, 2026
Medical Xpress / High-dose vitamin D may improve cognition among those at risk of dementia, study finds

With more than 7 million Americans living with Alzheimer's dementia—a number projected to reach nearly 13 million by 2050—new Emory University research suggests that higher vitamin D supplement intake may be associated with ...

Aug 19, 2026
Medical Xpress / Compound produced after eating pomegranates targets stiff-heart failure pathway, early tests suggest

A compound produced in the body after eating pomegranates improves heart function by up to 80% in a type of heart failure with limited treatment options.

Aug 19, 2026
Medical Xpress / AI-calculated brain age predicts dementia risk years before doctors can see it

Memory clinics still rely on visual rating scales to assess brain atrophy, yet these tools lack the sensitivity to catch subtle changes associated with early dementia. A measure of how old a person's brain appears on brain ...

Aug 19, 2026
Medical Xpress / Supercentenarians have an abundance of cancer-killing immune cells

The human immune system has specialized cells called CD4 cytotoxic T lymphocytes (CD4 CTLs), which have been shown to kill tumor cells in some cancers. When a person gets sick, these cells multiply in a process called clonal ...

Aug 19, 2026
Medical Xpress / Gut bacteria may transform spinach, beets and plant iron into protective compounds

Researchers at Karolinska Institutet have discovered that gut bacteria can convert dietary nitrate and iron into protective molecules that may reduce the risk of cardiovascular and metabolic diseases. The study, published ...

Aug 19, 2026