Medical Xpress news

Medical Xpress / Study finds uneven burden of brain and nervous system cancers across US

A new nationwide study has revealed striking differences in how brain and nervous system cancers affect Americans depending on where they live, as well as their age, sex and socioeconomic status, according to the study published ...

Nov 26, 2025 in Oncology & Cancer
Medical Xpress / Protein ubiquilin-2 found to promote Parkinson's-linked α-synuclein aggregation

Parkinson's disease (PD) is an age-related, progressive neurodegenerative disorder. The hallmark of PD pathogenesis is the Lewy bodies (LBs) that accumulate in neurons in the substantia nigra region of the brain, damaging ...

Nov 26, 2025 in Neuroscience
Medical Xpress / Los Angeles wildfires prompted significantly more virtual medical visits, research finds

When uncontrolled wildfires moved from the foothills above Los Angeles into the densely populated urban areas below in January 2025, evacuation ensued and a thick layer of toxic smoke spread across the region. Air quality ...

Nov 26, 2025 in Health
Medical Xpress / Reducing social media use for just a week can improve mental health

In a new study, published in JAMA Network Open, 295 participants report promising mental health benefits after reducing their social media usage for a week. The cohort consisted of young adults from the ages of 18 to 24—the ...

Nov 25, 2025 in Psychology & Psychiatry
Medical Xpress / An fMRI marker of Alzheimer's-related cognitive decline

Researchers at Université Savoie Mont Blanc, Radboud University and the University of Oxford's Wellcome Center for Integrative Neuroimaging, report that attenuation of the brain's intrinsic anticorrelation between the default ...

Medical Xpress / Musicians drift less in blindfolded walk: Could musical training be utilized in cognitive rehabilitation?

A multi-institutional team of researchers led by Université de Montréal report that extensive musical training can steady the body in space, both with and without guiding sounds, during a blindfolded stepping test.

Nov 25, 2025 in Neuroscience
Medical Xpress / How antibody therapy clears Alzheimer's plaques: Key immune mechanism identified

Lecanemab, sold under the name Leqembi, is a monoclonal antibody therapy for Alzheimer's disease that clears toxic amyloid plaques and delays cognitive decline. Researchers from VIB and KU Leuven have now demonstrated the ...

Medical Xpress / Alternative sweetener sorbitol linked to liver disease

Sweeteners such as aspartame, found in Equal packets, sucralose (Splenda), or sugar alcohols are often seen as healthier alternatives to food with refined sugar (glucose). But that assumption is being challenged with new ...

Nov 25, 2025 in Health
Medical Xpress / Metabolic roots of memory loss: Early obesity and low choline levels linked to brain inflammation risk

For decades, scientists have known that what harms the body often harms the brain. Conditions such as obesity, high blood pressure and insulin resistance strain the body's vascular and metabolic systems. Over time, that stress ...

Nov 25, 2025 in Neuroscience
Medical Xpress / Daily coffee drinking may slow biological aging of people with major mental illness

Drinking a maximum of 3–4 cups of coffee a day may slow the "biological" aging of people with severe mental illness, by lengthening their telomeres—indicators of cellular aging—and giving them the equivalent of 5 extra ...

Nov 25, 2025 in Psychology & Psychiatry
Medical Xpress / Scientists develop one-product-fits-all immunotherapy for pancreatic cancer

Pancreatic cancer is among the deadliest forms of cancer, with most patients diagnosed after the disease has already spread throughout the body. The five-year survival rate for metastatic cases hovers around 2–3%, and median ...

Nov 25, 2025 in Oncology & Cancer
Medical Xpress / Study reveals unexpected link between dopamine and serotonin in the brain

Researchers at Karolinska Institutet, Columbia University and the University of San Francisco, have uncovered a previously unknown mechanism by which dopamine, a key brain chemical vital for movement and motivation, can affect ...

Nov 25, 2025 in Psychology & Psychiatry