I don't know if this is what you meant by "summary", but Kurzweil's book (co-written with some homeopath) Transcend (Amazon) is his most up-to-date effort. I've read it mostly and it seems well researched and also explains the science behind its recommendations.
I also thought I'd mention that there are now certain compounds (Wikipedia) which show some evidence of initiating telomerase production in adult humans. If this drug works as well in humans as it has been shown to work in mice, it should significantly increase your healthspan.
an actual medical doctor,
Well...
Dr. Grossman is licensed as an M.D., and an M.D.(H), a homeopathic medical doctor.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Previous Open Thread
Next Open Thread
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.