Medical Xpress news

Medical Xpress / Why a high school reunion might lift your mood: Study links nostalgia to gratitude

Did you skip your last high school reunion? If so, you may want to reconsider when the next anniversary rolls around. The experience could lead to increased feelings of gratitude, according to a new study led by Jeffrey Green, ...

Feb 4, 2026 in Psychology & Psychiatry
Medical Xpress / Study links psychotic-like experiences to 'older-looking brains' at age 20

Researchers from the Universidad de Valladolid in Spain, the Cardiff University Brain Research Imaging Center and University College London used brain imaging studies to uncover how psychotic experiences, such as brief hallucinations ...

Feb 4, 2026 in Psychology & Psychiatry
Medical Xpress / Q&A: Cannabis usage in middle-aged, older adults linked to larger brain volume, better cognitive function

Research studying the effects of cannabis on the brain has often focused on adolescents, but a new study from CU Anschutz researchers looks at population-level impacts of cannabis usage on the brain in older adults. The work ...

Feb 3, 2026 in Neuroscience
Medical Xpress / Premature aging may result from immune responses triggered by faulty DNA repair

DNA is often described as the instruction manual for building the fundamental components of life. Proteins are helpers that aid DNA in carrying out essential processes such as replication, repair, and transcription. Under ...

Medical Xpress / GLP-1 drugs tied to lower-calorie, lower-sugar food purchases

Researchers at Steno Diabetes Center Copenhagen reported that starting a GLP-1 receptor agonist (GLP-1RA) coincided with slightly healthier supermarket purchases. Grocery purchases from GLP-1RA users in Denmark contained ...

Feb 3, 2026 in Health
Medical Xpress / Nearly half of chronic fatigue patients test positive for Bartonella or Babesia infection

A pilot study has found evidence of Bartonella and Babesia infection in almost half of 50 blood samples from patients suffering chronic fatigue syndrome, also called myalgic encephalomyelitis (ME). The study appears in Pathogens.

Medical Xpress / Pancreatic tumors eliminated in mice without resistance developing

Current drugs for pancreatic cancer lose effectiveness within months because the tumor becomes resistant. Now, a group from Spain's National Cancer Research Centre (CNIO) has been able to avoid the development of resistance ...

Feb 3, 2026 in Oncology & Cancer
Medical Xpress / RNA molecule discovery could lead to potential new breast cancer therapy

QIMR Berghofer scientists have discovered a cancer-fighting RNA molecule that could hold the key to a new way of treating the most common form of breast cancer. The team are developing their findings into a potential RNA-based ...

Feb 3, 2026 in Oncology & Cancer
Medical Xpress / Two in five cancers worldwide are likely preventable, says new research

Nearly 40% of new cancer cases worldwide in 2022 may be associated with modifiable risk factors, according to an analysis of 36 cancer types from 185 countries. The findings suggest that reducing exposures such as tobacco ...

Feb 3, 2026 in Oncology & Cancer
Medical Xpress / Single-shot HIV vaccine candidate induces neutralizing antibodies for the first time

Scientists at The Wistar Institute have developed an HIV vaccine candidate that achieves something never before observed in the field: inducing neutralizing antibodies against HIV after a single immunization in nonhuman primates. ...

Feb 3, 2026 in HIV & AIDS
Medical Xpress / 'Celtic curse' genetic disease hotspots revealed in UK and Ireland

People from the Outer Hebrides and north-west Ireland have the highest risk of developing a genetic disease that causes a dangerous build-up of iron in the body, a study published in the journal Nature Communications suggests.

Feb 3, 2026 in Genetics
Medical Xpress / A newly identified protein is key to regulating cholesterol release

Two UT Southwestern Medical Center researchers have identified a protein that plays a key role in controlling the liver's release of cholesterol-carrying lipoproteins into the bloodstream, a discovery that could lead to new ...

Feb 3, 2026 in Cardiology