Researchers at Weill Cornell Medicine and Birkbeck, University of London, have identified a site where a commonly used anesthetic binds to sodium ion channels, revealing a molecular mechanism that may explain how these drugs dampen communication between neurons. Ion channels are proteins that regulate the flow of charged particles across cell membranes, enabling neurons to generate electrical signals. By reducing this signaling, inhaled anesthetics help suppress brain activity, producing unconsciousness and immobility during surgery.

High cost of in-person abortion services, logistic problems of travel, and dependent care make access to abortion care challenging for those with low-income. A recent study reveals that food insecurity shapes the preference for telehealth abortion services. Telehealth abortion represents a remote, low-cost, non-discriminatory care option enabling access to reproductive health services irrespective of financial status. This study has public health implications, as increasing access and affordability of telehealth abortion will uphold reproductive rights.

Macrophages, evolutionarily conserved from primitive organisms, have long been overshadowed by T cells in transplant immunology. However, these versatile innate immune cells are now recognized as central drivers of chronic allograft rejection through their roles in vascular intimal hyperplasia, tissue fibrosis, and immune dysregulation. A new review summarizes current understanding of macrophage origins, heterogeneous subsets, and functions in allograft injury, and highlights emerging therapeutic strategies targeting key signaling pathways, moving beyond conventional T cell-centered immunosuppression.

Epilepsy affects millions of people worldwide, and roughly one-third of such patients continue to experience seizures despite medication. In a recent study, researchers from Gunma University have developed a 410-base pair compact genetic switch that selectively targets inhibitory neurons in the brain to restore the excitatory–inhibitory balance. This compact switch can be delivered using viral delivery vectors, enabling effective seizure suppression across multiple epilepsy mouse models while preserving the capacity of the therapeutic genes.