Medical Xpress news

Medical Xpress / Everyday diabetes medicine could treat common cause of blindness

Doctors have found that metformin, an everyday medicine for diabetes, is associated with less progression of age-related macular degeneration (AMD), the most common cause of blindness in western countries. In a recent study, ...

8 hours ago in Ophthalmology
Medical Xpress / Chemo before 3 pm could be more successful for lung cancer patients

Patients with advanced lung cancer who received immunochemotherapy before 15:00 (3 p.m.) had a more delayed disease progression than patients receiving treatment later in the day. The findings, published as part of a randomized ...

13 hours ago in Medications
Medical Xpress / Common bacteria discovered in the eye linked to cognitive decline

Chlamydia pneumoniae—a common bacterium that causes pneumonia and sinus infections—can linger in the eye and brain for years and may aggravate Alzheimer's disease, according to a study from Cedars-Sinai. Published in ...

Medical Xpress / Brain microenvironment redefines metastatic tumor subtypes, facilitating precision oncology treatment

An interdisciplinary multi-center research team led by the LKS Faculty of Medicine (HKUMed) and Faculty of Dentistry at the University of Hong Kong has constructed the world's largest multi-omics atlas of brain metastases. ...

15 hours ago in Oncology & Cancer
Medical Xpress / Protective mechanism discovered in female brain: Switched-off X chromosome can reactivate to reduce disease severity

Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have identified a mechanism that protects the female brain from genetic diseases. Although one of the two X chromosomes is switched off in female cells ...

16 hours ago in Neuroscience
Medical Xpress / Synthetic compound targets malaria at multiple stages to prevent its transmission

Brazilian researchers have developed a synthetic compound that has the potential to treat malaria and block its transmission. The new molecule acts during three phases of the disease cycle, eliminating the asexual form of ...

Medical Xpress / A portable ultrasound sensor may enable earlier detection of breast cancer

For people who are at high risk of developing breast cancer, frequent screenings with ultrasound can help detect tumors early. MIT researchers have now developed a miniaturized ultrasound system that could make it easier ...

17 hours ago in Oncology & Cancer
Medical Xpress / Pink noise reduces REM sleep and may harm sleep quality

Pink noise—often used to promote sleep—may reduce restorative REM sleep and interfere with sleep recovery. In contrast, earplugs were found to be significantly more effective in protecting sleep against traffic noise, ...

20 hours ago in Sleep disorders
Medical Xpress / Why we sleep poorly in new environments: A brain circuit that keeps animals awake

You check into a hotel and toss and turn all night, but your sleep improves the following night. Scientists at Nagoya University wanted to understand why this happens. Working with mice, they have identified a group of neurons ...

16 hours ago in Neuroscience
Medical Xpress / Open-source HemoLens cuts pressure myography costs from $40,000 to $750

Before tissue-engineered blood vessels reach the clinic, they must withstand the mechanical stresses of the vascular system—an assessment that is essential, but often expensive. One University of Pittsburgh research team ...

17 hours ago in Biomedical technology
Medical Xpress / Night owl or early bird? Study finds sleep categories aren't that simple

The familiar labels "night owl" and "early bird," long used in sleep research, don't fully capture the diversity of human internal clocks, a new study has found. The McGill University-led study published in Nature Communications ...

18 hours ago in Neuroscience
Medical Xpress / New genetic tools offer more accurate breast cancer prediction for women of African ancestry

Despite major advances in genetic testing for breast cancer risk prediction, death rates remain disproportionately high among women of African ancestry. This is often due to a combination of factors, including failure of ...

16 hours ago in Genetics