Rare genetic variants may help some people reach their hundredth birthday Tono Balaguer/Getty Images
A close look at the DNA of centenarians 鈥 people aged over 100 years old 鈥 has identified rare genetic variants that might help explain their longevity.
鈥淩are variants in ageing pathways affect human lifespan and constitute a part of the genetic architecture of human longevity,鈥 says at Albert Einstein College of Medicine in New York. 鈥淭here is an interplay between common and rare variants. Together they affect longevity, and I think that鈥檚 also true for any complex human trait.鈥
Zhang and his team compared…
