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 60s But now I agree for what you said we can hardly find a person who lives over 90 years because of sudden deaths in current era specialy young people ages between 25 50 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