Medical Xpress news

Medical Xpress / Private equity firms now oversee over half of US IVF cycles

The rise of private equity firms investing in health care facilities across the United States has been exploding in the last decade.

Medical Xpress / Air pollution during pregnancy shows varying effects by region

In the journal JAMA Network Open, ECHO Cohort Consortium researchers reported a negative association between weekly prenatal exposure to fine particulate air pollution and birth weight.

Dec 29, 2025 in Obstetrics & gynaecology
Medical Xpress / New sprayable powder forms instant gel barrier to stop severe bleeding in seconds

The leading cause of death due to injuries in war is excessive bleeding. A KAIST research team, in which an Army Major participated, has tackled this issue head-on. By developing a next-generation powder-type hemostatic agent ...

Dec 29, 2025 in Health
Medical Xpress / Naturally occurring molecule shown to restore memory function in Alzheimer's models

Singapore has one of the highest life expectancies in the world, yet many individuals spend almost a decade in poor health toward the end of life. Scientists from the Yong Loo Lin School of Medicine, National University of ...

Dec 29, 2025 in Medical research
Medical Xpress / New antivirals are being tested for herpesviruses, and scientists now know how they work

Harvard Medical School researchers have uncovered crucial insights into how an emerging class of antiviral drugs works.

Dec 29, 2025 in Medications
Medical Xpress / Brain-inspired AI: Human brain separates goals and uncertainty to enable adaptive decision-making

Humans possess a remarkable balance between stability and flexibility, enabling them to quickly establish new plans and adjust goals even in the face of sudden changes. However, "model-free reinforcement learning," which ...

Dec 29, 2025 in Neuroscience
Medical Xpress / Oral bacterium tied to disability severity in multiple sclerosis

Increasing evidence suggests that the severe gum disease, periodontitis, may contribute to central nervous system disorders through chronic inflammation. However, its role in multiple sclerosis, a chronic autoimmune disease ...

Dec 29, 2025 in Dentistry
Medical Xpress / Study shows tooth loss, not low-protein intake, drives memory decline in aging mice

Tooth loss doesn't just make eating harder, it may also make thinking more challenging. A new study from Hiroshima University shows that aging mice missing their molars experience measurable cognitive decline, even when their ...

Dec 29, 2025 in Neuroscience
Medical Xpress / Researchers identify protein that mimics exercise to boost bone strength in aging adults

A research team from the Department of Medicine, School of Clinical Medicine, LKS Faculty of Medicine at the University of Hong Kong (HKUMed) has uncovered a key biological mechanism that explains how exercise maintains strong ...

Dec 29, 2025 in Gerontology & Geriatrics
Medical Xpress / Melanoma cancer cells secrete extracellular vesicles to paralyze immune cells

A new international study led by Prof. Carmit Levy of the Department of Human Genetics and Biochemistry at the Gray Faculty of Medical & Health Sciences at Tel Aviv University finds that melanoma cancer cells paralyze immune ...

Medical Xpress / Researchers use virtual reality to reduce anxiety about death

Texas A&M University researchers have found that a brief virtual reality (VR) simulation of a near-death experience can sharply reduce people's anxiety about death. In a small pilot study of about 60 young adults, participants ...

Dec 29, 2025 in Psychology & Psychiatry
Medical Xpress / 'Attentional bias' reveals deep connection between numbers and space in the brain

Researchers from Tokyo Metropolitan University have studied the relationship between numerical information in our vision, and how it affects our perception of space.

Dec 29, 2025 in Neuroscience