SnakeHelah wrote...
Yes, it has been mentioned that an average human's lifespan is (In the ME's universe, though I think they kind of evolved to live more through those years) 100+? or something years, And I think Miranda's genetic engineering part might double that or something.
Actually it's around 150 years for an average human, and that's basically due to medical advancements, cleaner environments, etc as opposed to any evolution.
As for Miranda, she lives "half as long again", which sounds weird lol, but pretty much means 1.5 times longer, not double. So she'll most likely live to around 225 years or so...