A weight-loss drug extends mouse lifespan by nearly a hundred days

Claim

Semaglutide extended mouse lifespan by nearly 100 days, GLP-1 drugs were tied to fewer serious infections, a pancreatic cancer pill shrank lung tumours, and a cryoprotectant kept cells 85% viable.

Reported metric: ~100 days / 85% viability

Reporting date: 2026-09-04 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

• Welcome to September 4, 2026 (theinnermostloop.substack.com)