Medical Xpress news
Medical Xpress / Newly identified molecule could help regulate sleep
Sleep is known to be essential for survival, as it allows both humans and other animals to rest, while the brain consolidates memories and clears out metabolic waste products. For many people worldwide, however, falling asleep ...
Medical Xpress / Can AI chatbots make mental health worse? Study identifies five risky patterns
The use of generative AI has become so widespread that ChatGPT is gradually becoming a verb, much like Google and Photoshop. Hundreds of millions of people now use large language model (LLM)-based chatbots for advice on personal, ...
Medical Xpress / Soft outlet placed beneath the skin could help recharge implanted devices
Implanted medical devices are instruments placed surgically in the body. Many are battery-powered or can be wirelessly recharged. While they can be lifesavers, they are not without problems. They can run out of battery power, ...
Medical Xpress / A single RSV shot emerges as a promising new shield for infants at risk of severe disease
Viral infections that attack the lungs are among the leading reasons infants are hospitalized. A new treatment may offer protection against these infections that is as effective and safe as existing options but requires far ...
Medical Xpress / Frequent cannabis users wake with higher cortisol levels, study finds
Research suggests people who often use cannabis start their day with higher cortisol levels than people who don't, indicating a relationship between frequent cannabis use and a possible dysregulation of the body's daily stress ...
Medical Xpress / Natural compounds against sarcoma: Which one shows the greatest potential?
Curcumin, berberine and other plant-derived compounds have long attracted scientific interest because of their anti-inflammatory and anticancer properties. A new study by researchers from Wroclaw Medical University and the ...
Medical Xpress / Exceptional memory in 80s defies simple Alzheimer's genetic risk explanation
Many people assume that some memory decline is an inevitable consequence of getting older. But a select group of older adults, known as "SuperAgers," reach their 80s and 90s while retaining memory performance as good as or ...
Medical Xpress / Scientists discover hidden gateways that allow the brain to clear waste
The brain continuously produces metabolic waste that must be removed to maintain healthy function. Cerebrospinal fluid (CSF) plays a central role in this process by carrying away proteins such as amyloid-β, phosphorylated ...
Medical Xpress / Gut immune cells may help explain how B-cell depletion controls MS
B-cell depletion therapies, in which B cells of the immune system that may drive disease activity in multiple sclerosis (MS) are temporarily removed, have contributed significantly to improved treatment for patients in recent ...
Medical Xpress / The lone star tick is bringing another infection concern, the Bourbon virus
Tick-borne diseases are common throughout the United States, and most cases are treated effectively. A rarely diagnosed tick-borne infection, the Bourbon virus, transmitted by the common lone star tick, could soon begin to ...
Medical Xpress / Three genetic modifiers may alter inherited Alzheimer's onset and progression
Autosomal dominant Alzheimer's disease (ADAD) is a genetically inherited form of Alzheimer's disease that accounts for only about 1% of Alzheimer's disease cases. However, because individuals with the gene mutations are extremely ...
Medical Xpress / New tool uncovers overlooked disease-linked genes by accounting for ancestry and family ties
Every person's DNA tells a unique story. To unlock the full potential of genetic research, scientists need tools that reflect the complexity of the people they study.