Scientists at Harvard have been able to reverse the aging process in mice and extend lifespans by about 30%. They are now conducting experiments on primates. We will probably not be able to live forever but will be able to live longer in good health. That is a welcome prospect in my opinion. There are a number of articles online. Here is one.

https://www.medicalnewstoday.com/articles/harvard-scientists-reverse-aging-in-mice-is-it-possible-in-humans