Forget the Blood of Teens. This Pill Promises to Extend Life for a Nickel a Pop.

The more researchers learn about metformin, the more it seems like a medieval wonder drug that could extend lifespans in the 21st century.
Read more: https://www.wired.com/story/this-pill-promises-to-extend-life-for-a-nickel-a-pop/?source=Snapzu