The average life expectancy in the United States is about 78 years. But what if it were 120 years? Or 300 years? Can technology really improve our bodies to increase our longevity? We begin by hearing from Josiah Zayner, a bio-hacker who took his gut health into his own hands. Then, host Claire L. Evans talks with transhumanist researcher Natasha Vita-More about how living longer might change the way we live our lives right now, and how it could affect our society for generations to come.