Life Expectancy of the Average Sirius Human

[DearMatthew]

These seems irrelevant but isn't.
I once read the book Contact and the main character in it (I forget her name) visited a space station, where people were living.
Basically it was said that because of the low gravitational stress, people could extend their lives by 200 to 300 percent. But could not return to earth because their body had been severely weakened. So I'm betting that a pilot who does spend a fair amount of time in space would actually have a longer lifespan than someone living on a planet like Leeds.
However the problem with this theory is yes space battle does happen, but what also could be the complications when that pilot returns to a planet. Would his life be longer? Or, because of his bodies weakened state would he suffer major medical issues. Or, would it not even matter? I'm going to say that they die even younger than 30.

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<div align="right">~R Fang</div>