San Jose has always ranked highly in terms of healthiest metros. Combine that with the great moderate weather and enough income to afford proper medical care, and you will naturally get to this latest stat. The San Jose metro has the highest life expectancy in the United States, clocking in at 82.7 years.
San Jose's smoking rate is only 10.3% versus a national average of 20%. Obesity in San Jose is at 20.5% versus a national average of 27%. Another interesting stat is that the San Jose Metro has the lowest mortality rate from all causes of any other Bay Area region.
So in conclusion, if you want to live a long time you are in the right place!