Medical Xpress news

Medical Xpress / Hidden cellular layers revealed in brain's memory center

Researchers at the Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC have identified a previously unknown pattern of organization in one of the brain's most important ...

Dec 3, 2025 in Genetics
Medical Xpress / Human gene maps are biased towards European ancestries, study reveals

Human gene maps contain major blind spots because they were built largely from the DNA sequences of people with European ancestry, according to a study published in Nature Communications.

Dec 3, 2025 in Genetics
Medical Xpress / Breast cancer remodels lymphatic vessels to accelerate its spread, research reveals

Breast cancer is able to modify the lymphatic vessels through which it travels to the draining lymph nodes. From there, it can then spread to other parts of the body. A new finding by Finnish researchers may help develop ...

Dec 3, 2025 in Oncology & Cancer
Medical Xpress / Noninvasive imaging could replace finger pricks for people with diabetes

A noninvasive method for measuring blood glucose levels, developed at MIT, could save diabetes patients from having to prick their fingers several times a day.

Dec 3, 2025 in Diabetes
Medical Xpress / Evidence lacking for medical cannabis in most conditions, researchers find

Medical cannabis lacks adequate scientific backing for most of the conditions it is commonly used to treat, including chronic pain, anxiety and insomnia, according to a comprehensive review led by UCLA Health.

Medical Xpress / Small team, big impact: Automation helps relieve symptoms to keep cancer patients out of the ER

For many people living with cancer, symptoms such as pain, anxiety or insomnia can quickly spiral into an emergency room visit. Such visits can be financially costly and take an emotional toll on patients and their caregivers.

Dec 3, 2025 in Oncology & Cancer
Medical Xpress / A molecular 'reset button' for reading the brain through a blood test

Tracking how genes switch on and off in the brain is essential for understanding many neurological diseases, yet the tools to monitor this activity are often invasive or unable to capture subtler changes over time. One emerging ...

Dec 3, 2025 in Neuroscience
Medical Xpress / Telling women they have dense breasts as part of mammography screening may have unintended effects

Recommendations introduced in Australia and being considered in the UK to tell women if they have dense breasts as part of their screening results may have unintended effects and increase demand on health services, finds ...

Dec 3, 2025 in Health
Medical Xpress / Poor kidney health linked to higher levels of Alzheimer's biomarkers in blood

People with impaired kidney function have higher levels of Alzheimer's biomarkers in their blood, but not an increased risk of dementia, according to a study published in Neurology.

Dec 3, 2025 in Medical research
Medical Xpress / Consumers pay when drugmakers delay, finds study of over-the-counter drug exclusivity rules

Policies designed to encourage drugmakers to introduce over-the-counter (OTC) versions of previously prescription-only medications may in fact harm consumers, shows a new study co-authored by a University of Massachusetts ...

Dec 3, 2025 in Medications
Medical Xpress / Just 20 minutes of exercise twice a week may help slow dementia, study finds

How much physical activity—and how often—is needed to help stall dementia? For older adults with mild cognitive decline, there is now an answer: at least 20 minutes, at least twice weekly.

Dec 3, 2025 in Neuroscience
Medical Xpress / Newly defined benign soft tissue tumor with bony shell may mimic malignancy

It's not often that a pathologist gets to make a diagnosis that works for the patient by preventing treatment from occurring. But thanks to a Johns Hopkins Medicine doctor and his newly reported definition and classification ...

Dec 3, 2025 in Oncology & Cancer