https://www.mercurynews.com/2020/02/20/this-bay-area-county-was-just-ranked-the-healthiest-in-california/

From the housing crisis to rising homelessness, inequality and traffic, the Bay Area has its share of challenges. But there’s one area where the region is thriving, according to a new study: Health.

The study from health care startup Voro ranked the healthiest counties across the U.S. and California by analyzing a range of variables, including life expectancy, smoking, obesity, and activity rates, access to exercise and medical care, insurance coverage, and air pollution. The results: San Francisco was the healthiest county in the state and healthier than 98% of all U.S. counties. Marin County ranked second in California, Santa Cruz was fourth, just ahead of San Mateo (5) and Alameda Counties (7). Santa Clara County ranked number 10, just ahead of Contra Costa County at 11. Sacramento County was ranked 12th Los Angeles County ranked 35th.