Medical Xpress news

Medical Xpress / Severe COVID-19 reactivates dormant viruses, study finds

Chronically infecting viruses—such as Epstein-Barr virus, cytomegalovirus (CMV) and herpesviruses—are common and often innocuous and asymptomatic. However, emerging evidence suggests their reactivation may contribute to autoimmune ...

3 hours ago
Medical Xpress / Study uses living human brain tissue to map how electric stimulation affects neurons and genetic activity

Neurons that once encoded a person's memories are now helping researchers identify genetic targets that may one day help preserve memory and slow cognitive decline in others.

3 hours ago
Medical Xpress / Why laughter can trigger sudden muscle weakness in people with narcolepsy

Narcolepsy is a chronic neurological condition characterized by disruptions in the regulation of sleep-wake cycles. People with this condition often experience extreme sleepiness during the day and, in some cases, a sudden ...

6 hours ago
Medical Xpress / IL-1 pathway may stop Candida fungus from turning fatal in weakened immunity

An immune pathway has been discovered that prevents a normally harmless fungus from developing into a fatal infection. The King's College London study, published in Nature Microbiology, provides the first potential clue as ...

9 hours ago
Medical Xpress / Childhood physical illnesses linked to increased risk of mental health disorders in autistic young adults

Mental health conditions are more common among autistic individuals than in the general population, but knowledge about how physical and mental health interact over time has been limited. In the new study, researchers analyzed ...

2 hours ago
Medical Xpress / Cannabis-derived THC shows promise for treating PTSD-related nightmares

Drastic or even life-threatening events can have lingering effects, like an echo. This is referred to as post-traumatic stress disorder (PTSD). The brain is unable to process these overwhelming experiences and stores the ...

9 hours ago
Medical Xpress / Pretrained AI could help clinics analyze brain MRIs with few labeled scans

When it comes to medical imaging, a chatbot doesn't know its backside from its elbow. Or, at least, it can't tell a spine from a knee. But if a Boston University research team is successful, a smarter AI system for evaluating ...

4 hours ago
Medical Xpress / RNA technology improves insulin-producing cell transplantation outcomes

Researchers from the Rolf Luft Research Center for Diabetes and Endocrinology at Karolinska Institutet have developed a targeted RNA technology to prepare pancreatic islet cells for transplantation. The technology briefly ...

3 hours ago
Medical Xpress / Firearm carrying accelerates suicide risk among high school students, study shows

Self-reports from more than 23,000 high school students in 15 states for a school-based survey administered by the Centers for Disease Control and Prevention reveal a strong association between firearm carrying and the risk ...

3 hours ago
Medical Xpress / New biobank of tumor models reveals cancers' weak spots

A new open resource of cancer models has enabled researchers to create the first large-scale map of the genes that cancers rely on to survive, offering new avenues for research into better and less toxic treatments for patients.

3 hours ago
Medical Xpress / MRI metric identifies early, multifactorial white matter damage in Alzheimer's disease

Alzheimer's disease has traditionally been studied as a condition that primarily affects the brain's gray matter, where neuronal cell bodies are located and some of the disease's most characteristic lesions accumulate. However, ...

5 hours ago
Medical Xpress / How the brain's electrical signatures shift as tinnitus becomes chronic

Ears are built to listen to sounds from the world around us, but for some people, the sound comes from within. Tinnitus causes people to hear ringing or other noises in one or both ears or in their heads, even when there ...

21 hours ago