Medical Xpress news

Medical Xpress / Trial suggests less frequent colonoscopies may safely follow removal of high-risk polyps

Every year, around 1.9 million people worldwide are diagnosed with bowel cancer. To prevent the disease, many countries have introduced screening programs that enable more polyps to be detected and removed before cancer develops.

4 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.

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 ...

20 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 ...

20 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 ...

22 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. ...

21 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, ...

21 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 ...

22 hours ago
Medical Xpress / AI estimates retinal age, revealing sex-specific aging patterns and links to disease risk

A team from the Department of Computational Biology at the University of Lausanne has developed an artificial intelligence model capable of estimating a person's retinal age from a simple photograph of the back of the eye. ...

23 hours ago
Medical Xpress / Patient-specific AI technique could make minimally invasive surgeries safer and more precise

Researchers have created a new technique that accurately and rapidly matches X-rays captured during surgery with a patient's preoperative 3D medical scan. This method could make it easier for clinicians to precisely guide ...

23 hours ago
Medical Xpress / Nearly a decade of research strengthens the case for vitamin D in pregnancy

A common and often overlooked nutrient deficiency may play a bigger role in pregnancy outcomes than previously recognized. In a recent analysis published in the Journal of Perinatology, neonatologist and pediatrician Carol ...

19 hours ago
Medical Xpress / Simple urine test could guide kidney-protective treatment choices in type 2 diabetes

Type 2 diabetes increases the risk of chronic kidney disease, making prevention of kidney failure a key part of treatment. Newer diabetes medications, including GLP-1s and SGLT2 inhibitors, can reduce the risk of kidney disease, ...

20 hours ago