Medical Xpress news

Medical Xpress / Risk of death after surgery is significantly higher for residents of low-income neighborhoods, study reveals

New research from St. Michael's hospital found patients from the lowest-income areas in Ontario had a 43% higher chance of dying within 30 days of surgery compared to those from the highest-income areas in the province.

6 hours ago in Surgery
Medical Xpress / Investigating HIV's hidden immune evasion strategy

A Northwestern Medicine study published in Nature Communications has revealed how HIV can protect infected cells by altering the sugars on their surface, hindering the host immune system and avoiding detection.

7 hours ago in HIV & AIDS
Medical Xpress / How brain waves shape our sense of self

A new study from Karolinska Institutet, published in Nature Communications, reveals how rhythmic brain waves known as alpha oscillations help us distinguish between our own body and the external world. The findings offer ...

13 hours ago in Psychology & Psychiatry
Medical Xpress / Why deadly ovarian cancers hide from the immune system, and how to stop them

More than two-thirds of deaths from ovarian cancer are attributable to high-grade serous carcinoma. In one particularly aggressive form, only a small number of inactive immune cells can be found near the tumor. Such tumors ...

7 hours ago in Oncology & Cancer
Medical Xpress / A simple blood test can predict Crohn's disease years before symptoms appear

Sinai Health researchers have shown a blood test that can predict Crohn's disease years before symptoms appear, opening the doors to early diagnosis and potentially prevention.

Medical Xpress / Uncovering how occludin protein maintains blood-brain and blood-retinal barriers

The blood-brain and blood-retinal barriers are protective systems that prevent harmful substances from entering the brain and eyes. These barriers are created by cells that are joined tightly together by proteins. Dysfunctional ...

7 hours ago in Neuroscience
Medical Xpress / Stressed and rushed? Your decisions might suffer

Picture this. You're sitting in an office reception, waiting to be called in for an interview for your dream job. You have no appetite. Your palms are sweaty and your heart is thumping. Your anxiety rises. In short, you're ...

13 hours ago in Psychology & Psychiatry
Medical Xpress / Intraoperative tumor histology may enable more-effective cancer surgeries

The first line of treatment for cancer is, whenever possible, to remove the cancerous tissue from the body. Though often remarkably effective, removing only the cancerous tissue is a challenge for doctors and surgeons. With ...

8 hours ago in Medical research
Medical Xpress / Clinical trial in Ethiopia targets the trachoma scourge

Trachoma is the leading cause of infectious blindness in the world, with Ethiopia the most impacted country in Africa. In a clinical trial of more than 2,400 individuals, researchers led by Dr. John Kempen of Mass Eye and ...

4 hours ago in Ophthalmology
Medical Xpress / How weight loss benefits the health of your fat tissue

It is well known that obesity typically leads to inflammation and dysfunction of fat tissue that increases the risk of developing metabolic diseases such as diabetes and cardiovascular diseases.

17 hours ago in Overweight & Obesity
Medical Xpress / Microbially produced secondary bile acids accelerate colorectal cancer development, study shows

For the first time, a team of experts from the Technical University of Munich (TUM), RWTH Aachen University, and the German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE) has demonstrated the causal role of microbially ...

9 hours ago in Oncology & Cancer
Medical Xpress / Toddlers in England spending two hours on screens a day, doubling recommended screen time

Two-year-olds in England watch television, videos or other digital content for an average of two hours each day, double the daily recommended screen time, new UCL-led research finds.

9 hours ago in Pediatrics