before the Flood, there was a mist instead of rain, which doubled as a protection from UV rays. people lived longer due to this, coupled with a diet of fruits and vegetables. ater the Flood, the mist went away and the world then relied on rain, the UV rays were given free reign and people died earlier due to radiation over their lifespan. that's why the people that live inside live longer.
[b][color=red]I am lost, I am found. I am lost to myself, found in the darkness beneath hell itself
Only two things are infinite: the universe and human stupidity, and I'm not so sure about the former. -Albert Einstein[/color=red][/b]