Medical Xpress news

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 ...

Aug 5, 2026
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 ...

Aug 5, 2026
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 ...

Aug 5, 2026
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 ...

Aug 5, 2026
Medical Xpress / Spatial mapping of growth plate tissue may help explain how bones grow

Researchers at the Department of Women's and Children's Health have used a novel technique to map which genes are active in different regions of the skeleton's growth plates. The findings offer new clues about how the body ...

Aug 5, 2026
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.

Aug 5, 2026
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 ...

Aug 5, 2026
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, ...

Aug 5, 2026
Medical Xpress / New therapy eliminates gum disease bacterium while preserving beneficial oral microbes

Researchers at Nagoya University in Japan have created an innovative treatment for periodontitis that targets and eliminates harmful bacteria while preserving beneficial oral microbes essential for health. The findings were ...

Aug 4, 2026
Medical Xpress / Erectile dysfunction drug used to treat enlarged prostate symptoms may raise glaucoma risk

An erectile dysfunction drug that is also used to treat symptoms, such as sudden urgency and frequency, associated with an enlarged prostate in men may heighten the risk of glaucoma, a serious eye condition, a large comparative ...

Aug 4, 2026
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 ...

Aug 4, 2026
Medical Xpress / Researchers discover immune 'off switch' used by cancer cells

Mayo Clinic researchers have identified a protein that cancer cells use to shut down the body's immune response, a discovery that could help scientists develop new treatments that make cancer immunotherapies more effective.

Aug 4, 2026