After 60 Years, Scientists Uncover Unexpected Brain Effects of Popular Diabetes Drug Metformin

Metformin, a long-standing treatment for type 2 diabetes, may work in an unexpected way. Metformin has been a cornerstone treatment for type 2 diabetes for more than six decades. It is inexpensive, widely prescribed, and generally effective. Yet for all its use, scientists have never fully agreed on how it actually works inside the body. [...]