UNBREAKABLE: Genetic ‘superheroes’ survive despite devastating mutations, Seattle-led study finds.

Of the more than a half-million people included in the analysis, just 13 were found who survived to adulthood despite having genetic alterations that typically cause eight serious childhood diseases.

No one knows why they remained healthy, Friend said. But DNA from such people could one day provide insight into ways to prevent or treat such catastrophic disorders.

“Instead of looking at people with disease, you need to look at people who should have gotten sick,” said Friend.

I’ll have what the gentleman who should have gotten cirrhosis of the liver is having.