The journal Cell Reports has published research about doppelgangers, including the intriguing idea that if you look like someone, you might consider sharing facts about your health.

Dr. Manel Esteller from Barcelona believes his study’s findings will help doctors diagnose illness in the future because if people have similar enough genes to look alike, they might share predilections for diseases too.

There seems to be something pretty strong in terms of genetics that is making two individuals who look alike also having genome-wide similar profiles.

– Olivier Elemento, director of the Englander Institute for Precision Medicine at Weill Cornell Medicine in New York