We could be closer to finding the fountain of youth.
Scientists have the green light to see if a drug can slow down the aging process.
Metformin is currently used in people with type 2 diabetes.
But a recent study on worms found the drug caused them to age slower without wrinkles, and become healthier.
The FDA has now approved it for anti-aging trials to see if has the same effect in humans.
The testing is set to begin next year.
Study: Diabetes drug may have anti-aging effects