It would seem that all mice have to do to live a really long time, is eat less than their peers and have a fast metabolism.  In other words, if you burn calories efficiently and ingest fewer of them, it may translate to a longer life. Interestingly, I recall reading somewhere the observation that in prison of war camps during World War 11, those most likely to survive were those who carried the least body fat going in.

Read the report here: Live fast, die old