We asked some Public Health students at UC Berkeley if they knew any centenarians and if they figured out how they managed to go that far
Life expectancy can vary a lot, according to where you were born.
Here you can COMPARE the life expectancy:
1. In the world (Here the interactive version)
2. In the US (different states. Here the interactive version)
3. In Italy (different regions, throughout the years. Here the interactive version)
Some advice on how to live long and healthy by the Harvard Medical School
Inside the Immortality Institute (according to these guys life can be "extended" indefinitely).
And here you can follow this discussion on longevity on Facebook