Eight healthy babies were born in Britain with the help of an experimental technique that uses DNA from three people to help mothers avoid passing devastating rare diseases to their children, researchers reported Wednesday.

A groundbreaking medical achievement has seen eight babies born in the UK through an innovative three-person IVF technique designed to prevent devastating mitochondrial disease. The world-first data reveals that four boys and four girls,

The long-awaited results of the 2017 trial suggest that the approach can reduce the risk of mitochondrial disease—but not everyone is convinced.