Basic Sciencemoderate evidence
Late-life semaglutide treatment slows ageing and extends lifespan in female mice.
Nature·September 1, 2026·PMID 42686906
Why it mattersGLP-1 receptor agonists are widely used for diabetes and obesity, but their broader effects on ageing are unclear. This study provides mechanistic evidence that semaglutide acts as a calorie restriction mimetic, slowing ageing and extending lifespan in female mice, which may explain its pleiotropic benefits and support investigation in human ageing.

The papers that matter, first.
MedLit ranks the medical literature into a specialty feed with concise summaries, evidence-aware triage, and visual takeaways.
§
MedLit · Evidence, Distilled