Medical Xpress news

Medical Xpress / COVID-19 mRNA vaccine plus immune system enhancer may reduce need for repeated boosters, say researchers

In a new study published in Nature Immunology, researchers at Boston Children's Hospital demonstrated that pairing the original COVID-19 mRNA vaccine with an immune system enhancer, known as an adjuvant, improved the duration ...

1 hour ago
Medical Xpress / Researchers identify avenue for enhanced GLP-1-induced weight loss

A team of researchers at the National Institutes of Health (NIH) have unveiled new details about the events GLP-1 receptor agonists trigger within neurons, which have been largely unexplored until now. A study in mice identified ...

1 hour ago
Medical Xpress / As GLP-1 drugs surge in popularity, bariatric surgery rates plunge across the US

For a very long time, bariatric surgery, in which doctors removed a portion of the stomach, was the standard procedure for helping patients lose weight and manage obesity, alongside metabolic disorders such as diabetes, high ...

20 hours ago
Medical Xpress / Why energy fades with age: Missing membrane lipid may destabilize mitochondria

Why do cells age—and why do we lose our energy and vitality as we get older? This question is one of the central challenges of modern biomedicine. The focus is particularly on mitochondria—tiny cellular organelles long known ...

13 hours ago
Medical Xpress / Mental disorders have nearly doubled since 1990, now affecting 1.2 billion people worldwide

Nearly 1.2 billion people worldwide are living with a mental disorder, nearly double the number recorded in 1990. According to a new study, this stark rise has placed mental disorders as the leading cause of disability globally, ...

11 hours ago
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 ...

13 hours ago
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 ...

13 hours ago
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 ...

14 hours ago
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 ...

16 hours ago
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), ...

14 hours ago
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 ...

15 hours ago
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 ...

16 hours ago