Medical Xpress news
Medical Xpress / The brain's night shift: How sleep, waste clearance and dementia may be linked
Why are conditions such as chronic stress, depression, cardiovascular disease, fragmented sleep, and aging all associated with a higher risk of dementia? In a new review piece in Science, University of Rochester Medicine ...
Medical Xpress / Child death rates in the United States have increased, study finds
The overall death rate of children and adolescents in the United States increased 6.6% between 2020 and 2023, researchers reported on May 13 in the New England Journal of Medicine. Many of the top causes of death in young ...
Medical Xpress / 'Pink noise' can help make anesthesia work better during surgery
In the brain, specific electrical waves are associated with different states of consciousness. For instance, delta waves—also known as slow waves—are especially prevalent during deep sleep, as well as during states of unconsciousness ...
Medical Xpress / Scientists capture 'housekeeping' immune cells attacking live melanoma
Scientists at the Garvan Institute of Medical Research have captured, for the first time, "housekeeping" immune cells actively attacking and engulfing live melanoma cells—a discovery that could change the way we approach ...
Medical Xpress / Duration of depression may influence how severely the disease alters the brain
Depression affects about 5.8% of the Brazilian population and presents a wide range of symptoms, intensities, and durations. A study published in Scientific Reports involving patients with major depressive disorder demonstrated ...
Medical Xpress / The bigger the reward, the faster we learn, researchers find
Scientists long assumed that learning speed depends primarily on our experience—how many times we try and succeed—not the size of the reward. We become better at poker because we keep playing and winning, regardless of the ...
Medical Xpress / 'Origami' method could speed up diagnosis of neurodegenerative disease
Researchers have developed a technique that can identify errors caused by mutations linked to a range of genetic disorders, including forms of muscular dystrophy, Huntington's disease and amyotrophic lateral sclerosis (ALS), ...
Medical Xpress / Simple blood test could catch Alzheimer's and Parkinson's early by spotting misfolded proteins
For the first time, therapeutically effective medications are now available for Alzheimer's disease. Effective symptomatic therapies also exist for Parkinson's disease; however, a prerequisite for successful treatment is ...
Medical Xpress / Scientists identify brain circuit that helps us 'change gears'
Most people have experienced the feeling: switching from one task to another, only to find the brain momentarily stuck in the old mode of thinking. Sometimes, even after realizing a strategy no longer works, the mind keeps ...
Medical Xpress / Smartphone data predict smoking cravings and lapses, with potential to treat addiction and other conditions
Minuscule movement patterns collected from smartphones and often undetectable to humans have been used to predict cravings and compulsive behaviors with groundbreaking accuracy—potentially offering timely and bespoke treatment ...
Medical Xpress / Both heart chambers are more severely affected in atrial fibrillation than previously thought, study reveals
New research findings from the University Medical Center Göttingen (UMG) show that both atria undergo profound changes in cases of persistent atrial fibrillation. Until now, the left atrium was considered the primary site ...
Medical Xpress / Exercise hormone irisin could offer neuroprotective effects in multiple sclerosis
A new study offers clues as to why exercise can improve neurological symptoms in people with multiple sclerosis (MS). The study, led by investigators from Mass General Brigham and University Medical Center Hamburg-Eppendorf ...