Anti-Aging..

Not only can the drug metformin help to effectively manage type 2 diabetes, it may also give older women a better chance of living to the grand old age of 90, according to new research – thanks, it seems, to a variety of anti-aging effects.

We found that metformin initiation increased exceptional longevity compared with sulfonylurea initiation among women with type 2 diabetes."

Metformin has been around for decades, and is considered a gerotherapeutic: relates to therapeutic interventions aimed at targeting the biological processes of aging in order to prevent or treat age-related diseases and extend health span. 

For example, it's been shown to limit DNA damage and promote gene activity associated with long life.