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According to one such similar 'test' I did some months ago I was going to live up until the age of 86-87; even though I drink & (unfortunately) smoke...
This means that I may be posting until about 2047 - though I somehow doubt it..;-)
Syzygy
In other words, I'm DISGUSTINGLY healthy. Tell you all one thing though: of all the things you can do to increase your usable healthy lifespan, the main one is judicious exercise. And do NOT neglect your mind: the more you do to expand your mental compass, the better and more fulfilling you will find a longer life.
And that's the single main reason I bless computers: other than reading, there is NO BETTER WAY to sharpen your intellect than interacting with computers and the online world-community accessible thereby.