In a groundbreaking IVF trial in the UK, eight healthy babies have been born using a pioneering technique that incorporates DNA from three individuals. This innovative approach, known as mitochondrial donation, aims to prevent the transmission of hereditary diseases, particularly those linked to mitochondrial DNA. The successful births demonstrate promise for this method as a means of reducing the risk of genetic diseases in children. Researchers are hopeful that this advancement will pave the way for further developments in reproductive medicine, opening new avenues for families at risk of inherited conditions.