I look forward to reading it, please let me know when you post it. I'm definitely no longer a "spring chicken" and therefore such advancements are welcome by me but I also think that they're likely to be very expensive, especially if they're elective in nature or preventative. No insurance company will cover such things.
Check out Fantastic Voyage if you want to learn about steps you can take now to prolong your life and increase your chances that you live well into the 2040/50s. Although there is more up to date material out there this is a good overview and place to start. Most if not all of the recommendations are still relevant. I'm just starting to take my biological maintenance more seriously (couple years from 30, so I'll be in my 60s around the 2040s - should be ok if all goes well (which of course is not entirely guaranteed, but not unrealistic) :D)