Did you guys know that Hunza is 1 out of 3 places in the world where people live exceptionally long lives? Out of those 3 Hunza ranks first. A land where everyone has perfect vision, no heart disease, no obesity, no mental illness, no ulcers and no degenerative disease. Reportedly, even cancer hasn't been able to cross the Karakoram into Hunza. I have met a 110+ year old father with his 90+ year old son working in their appricot orchard as if they were both 30. Scientists have been sent there over the years to figure it out but sadly for us no secret elixir of life just yet.
Check out "Secrets of the World's Healthiest and Oldest Living People" by John Westerdahl, Jay M. Hoffman. Also "50 Secrets of the World's Longest Living People" by Sally Beare.