She says she reversed 20 years of biological aging by testing gene therapy on her own body before anyone else. In this episode of The 200 Year Life Project, Gary Leland sits down with Elizabeth Parrish, founder and CEO of BioViva, the first person to undergo gene therapy specifically aimed at reversing aging.

Gary, 71 and dead serious about reaching 200, talks with Parrish about how telomere and myostatin gene therapy works, what her published telomere data showed, why these therapies are still done outside the US, and how she believes affordable gene therapy could change human lifespan and healthspan. They also get into longevity escape velocity, the \.