When nine hundred years old you reach, look as good you will not, hmm?
I'm sure this was mostly a facetious joke. But was Yoda as old as he was because of his race, or because of his bind to the force?
Would Jedi or Sith live longer than the normal life span for their race, compared to those who had less tie or no training in the force?
Judging from Anakin and Obi-Wan's appearance changes between I-III and IV-VI, humans appeared to age at a somewhat normal pace. But would their life spans increase?