Semaglutide Extends Lifespan in Aged Female Mice: What a Nature Study Means for Diabetes Drugs and Aging Research
A September 2026 Nature study reported that semaglutide started late in life extended median lifespan by about 12% in female mice and improved several markers of aging, including hematopoietic stem cells and hippocampal neurogenesis. We discuss what “rejuvenation” means here and what remains unknown.
