Board Thread:Speculation House/@comment-14138255-20130921015754/@comment-4830106-20130921213238

WC-83 wrote: Teravor wrote: It's entirely possible that people on Vytal have longer lifespans than people do on Earth. I think the reason is that Humans never fought Humans, their only enemy was the Grimm, their weapons were made to kill the Grimm. They never made any weapons to destroy entire populations and make sure they stayed dead (like Biological weapons and Nuclear Missles).

That, or they're just farther along in medicine than we poor Terran humans.