Ehhh... We've made very little progress increasing the length of our later lives. Almost all the average life span increase has come from fixing infant mortality and things which kill us in our 20s and 30s.

We have not succeeded in slowing aging.

We haven't slowed aging. We have however made progress in lowering overall cancer incidence and heart disease.

https://www.cancer.org/latest-news/facts-and-figures-2018-ra...

https://ourworldindata.org/causes-of-death

Not to denigrate the importance of what we have achieved.