Aging itself is malleable, as demonstrated by research in worms where genetic tweaks significantly increased lifespan.

“the implication of that was profound I mean that I don't want to down play the most important takeaway from that which was lifespan was malleable”

“the first work with this was Cynthia Kenyan and worms where she demonstrated that that tweaking um tweaking genetics like Aging in worms could dramatically increase lifespan”