hey gentelman this is sajjad hyder from ganish villageof hunza valley the claim of longevity in hunzais correct and i can refer you a book and a documented movie about long life in hunza which is written and made by some british doctors in late s but now i agree for what you said we can hardly find a person who lives over years because of sudden deaths in current era specialy young people ages between within the last couople of years rasing drasticly infact i am planing of making a documentary about the threats of longevity in hunza if you have any further information please send it to me thanks