Actually with nanotechnology we could repair our cells which doctors and theoretical physicists both will be giving us a biological life span of 650 years. We already have the nanobots, we just quantum computing to program them. Should happen within decades from now.
Not just that but there should be the option of becoming a singularity (transferring your conscious into a robotically built brain) shortly after that. Or in other words, immortality. That's what I want to see