研究學者對於導致長壽的遺傳因子所知甚少。為什麼我們都可以活的這麼久,並且有些人甚至比大部分的人更為長壽?這是個世界各地的科學家都想要解開的謎團。
Researchers know very little about the genetic factors that determine longevity. Why are we generally living longer, and why do some people live longer than others? It's a puzzle that scientists around the world want to solve.