According to a recent survey conducted by the U.S. Central Intelligence Agency (CIA), Macau is the top country/region for life expectancy at birth with an average of 84.36 years,[74] while its infant mortality rate ranks among the lowest in the world.
http://en.wikipedia.org/wiki/Macau
Do you have any information, studies explaining what are the factors that contribute to Macau’s long life expectancy (nutrition, exercise, work, climate, etc.)?