Good, old-fashioned diet and exercise might keep you young by reducing the action of insulin in the brain, researchers reported on Thursday.
They created mutant mice that over-ate, got fat and even had symptoms of diabetes, and yet lived 18 percent longer than normal lab mice. The secret: they lacked a certain key gene that affects insulin, the hormone that regulates glucose.
But that's not the whole story
I read this article this morning and it tied in nicely with a episode of NOVA Now that aired earlier this week. Watch the video, if you please: