Medical Xpress news

Medical Xpress / Smooth-gradient fMRI technique could improve brain mapping during behavior

Neuroscientists and medical researchers now have a wide range of imaging techniques to study the brain and its activity. One of the most widely used is functional magnetic resonance imaging (fMRI), a noninvasive technique ...

25 minutes ago
Medical Xpress / Anti-seizure drug fights aggressive childhood brain tumors, study shows

An existing anti-seizure drug slows the growth of a devastating group of childhood cancers, new Stanford Medicine-led research has shown. The tumors, called diffuse midline gliomas, strike the brain and spinal cord. They ...

2 hours ago
Medical Xpress / Intermittent fasting shows promise in slowing Huntington's disease progression

A simple change in when people eat may offer a promising new approach for Huntington's disease, according to research led by Oregon Health & Science University.

2 hours ago
Medical Xpress / Osteoporosis fractures fall by 94% in small first-in-human stem cell trial

Somewhere in the world, a woman over 50 will have fractured a bone by the time you finish reading this sentence due to osteoporosis, a silent bone disease that can weaken the structural integrity of the skeletal system and ...

19 hours ago
Medical Xpress / US officials sidelined warnings about flawed COVID vaccine safety algorithm, investigation finds

U.S. health officials knowingly relied on a compromised algorithm to detect signals of harm from mRNA COVID-19 vaccines and silenced efforts to fix it, finds an investigation published by The BMJ today.

13 hours ago
Medical Xpress / Augmented eye clinic shows why AI-native systems work where standalone algorithms don't

AI in eye care is set to take a new leap with an AI-native rather than assisted approach. Researchers have developed a new tool that moves beyond the conventional model of deploying AI as isolated, standalone tools for individual ...

20 hours ago
Medical Xpress / Early changes in the tumor environment may explain why immunotherapy works for some patients but not others

Two patients receive the same immunotherapy for the same cancer. In one, the tumor retreats and stays gone for years. In the other, the treatment does nothing. Oncologists still have no reliable way to tell these patients ...

13 hours ago
Medical Xpress / 'Momnesia' is real—scientists find a biological explanation for temporary forgetfulness during pregnancy

Many women say the same thing during pregnancy: They walk into a room and forget why, misplace their keys or struggle to follow a conversation. This phenomenon, often called "pregnancy brain" or "momnesia," has long lacked ...

13 hours ago
Medical Xpress / Metabolite buildup reveals how aggressive brain tumors activate nearby neurons

Virtually all high-grade, aggressive gliomas in adults accumulate massive amounts of a metabolite called guanidinoacetate (GAA) that overstimulates nearby neurons and promotes tumor growth, according to new research from ...

15 hours ago
Medical Xpress / CAAR T-cell therapy offers a more targeted route for neurological autoimmune diseases

Researchers at DZNE and Charité—Universitätsmedizin Berlin are working on a targeted therapy for neurological autoimmune diseases. So far, they have successfully tested their approach in mouse studies involving two such conditions. ...

14 hours ago
Medical Xpress / Binge eating may map onto widespread brain differences in bulimia nervosa

Researchers at the Icahn School of Medicine at Mount Sinai found that individuals with bulimia nervosa have structural differences in brain regions involved in reward and motivation, as well as social and sensory processing, ...

14 hours ago
Medical Xpress / Hiring more specialists alone won't fix long wait times—and may make them worse

A new analysis published in NEJM Catalyst finds that the standard response to growing specialist wait times—hiring more physicians—is unlikely to solve the problem on its own and may even worsen it. The article, "Reducing ...

15 hours ago