She’s interested in increasing healthspan (years of health) as opposed to the more traditional lifespan.
You seem to have taken a good look at WHAT you put (or not) in your body, have you done any tests as to WHEN you do so (looking into circadian rhythms and clocks)?
Rhonda Patrick has interviewed Satchin Panda (who seems to be the leading researcher on the subject) that I would strongly recommend watching/listening to.
Further down that path, there’s the subject of fasting, outright, as a means to trigger autophagy in damaged cells which she goes into a little bit with Ray Cronise.
I hope you find even one extra tidbit of knowledge that you can apply to yours (and possibly your father’s and husband’s) life to make it better.