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There is increasing interest in finding drugs, known as gerotherapeutics, that can slow aging and help people live longer. Metformin, a common diabetes drug, is being studied because it affects several aging-related processes.
In a multi-institutional study published online in the Journal of Gerontology: Medical Sciences on May 19, 2025 researchers examined the relationship between metformin use and a longer lifespan among postmenopausal women with type 2 diabetes. When compared with sulfonylurea, another class of diabetes medication, they reported that using metformin increased the likelihood of reaching an age of 90 or older, known as exceptional longevity.
The study’s key finding is that the use of metformin is associated with a 30% lower risk of death before age…