Medical Xpress news

Medical Xpress / Not all Alzheimer's leads to dementia: The mystery of cognitive resilience

Some brains resist Alzheimer's, even when the disease is already present. Researchers at the Netherlands Institute for Neuroscience have found that this likely depends on how specific brain cells, known as immature neurons, ...

Apr 27, 2026
Medical Xpress / Fewer than half of nationally funded health studies break down findings by sex, which could lead to missed insights

A decade ago, the National Institutes of Health (NIH) began requiring scientists to "consider sex as a biological variable" in order to receive NIH grant funding—a policy intended to encourage scientists to think ahead about ...

Apr 27, 2026
Medical Xpress / One delayed newborn shot can set off a costly chain reaction with lifelong consequences for children

Delaying hepatitis B vaccination after birth increases infections among newborns and decreases their survival rates and quality of life, according to a new Cornell University study. The longer the delay, the study found, ...

Apr 27, 2026
Medical Xpress / Hydraulic brain: Body motion linked to fluid movement in the brain

The brain is more mechanically connected to the body than previously appreciated, scientists report in Nature Neuroscience. Through a study using mice and simulations, the team found a potential biological mechanism underlying ...

Apr 27, 2026
Medical Xpress / An unexpected limit to SARS-CoV-2's immune defenses reveal a hidden virus trade-off

A new study has revealed that while SARS-CoV-2 can weaken part of the body's early immune response, it may also unintentionally trigger another defense that helps cells fight back. A new collaborative study has revealed a ...

Apr 27, 2026
Medical Xpress / Study finds new preeclampsia treatment may safely extend pregnancy

Cedars-Sinai Health Sciences University investigators have developed and successfully tested a new treatment for pregnant women with severe early preeclampsia, a leading cause of premature birth as well as maternal and fetal ...

Apr 27, 2026
Medical Xpress / AI tool may spot ADHD years before children are diagnosed

Attention-deficit/hyperactivity disorder (ADHD) affects millions of children, yet many go years without a diagnosis, missing the chance for early support that can change long-term outcomes even when early signs are present. ...

Apr 27, 2026
Medical Xpress / Obesity leaves a lasting memory in immune cells, 10-year study shows

People who live with obesity are "tagging" a memory of being overweight on a key part of the immune system—leaving people with ongoing risk of obesity-related conditions years after losing weight, according to a 10-year-long ...

Apr 27, 2026
Medical Xpress / Mail-in test for colorectal cancer could help community health centers increase screening

Colorectal cancer (CRC) is the second most common cause of cancer death in the United States and disproportionately impacts people who receive care in under-resourced settings. Fortunately, several effective screening tests ...

Apr 27, 2026
Medical Xpress / Medicaid expansion helped enrollees' long-term financial health, study finds

Twelve years ago this spring, the first Michiganders began getting their health care coverage from the Medicaid expansion program known as the Healthy Michigan Plan. Today, more than 650,000 are enrolled in the program, which ...

Apr 27, 2026
Medical Xpress / Memory breaks old divide as brains track details and patterns simultaneously

Our memory records details and detects patterns in everyday life—often without us even realizing it. Researchers at Lund University have for the first time succeeded in showing that the brain does both these things simultaneously ...

Apr 27, 2026
Medical Xpress / Group averages obscure how an individual's brain controls behavior, study finds

Studying cognition by averaging data from many people's brain scans hides how individuals use their brains, new Stanford Medicine research has shown. In particular, children who struggle with goal-oriented tasks show distinct ...

Apr 27, 2026