Obesity rates by state.
https://www.thesun.co.uk/news/9923378/obesity-map-united-states-overweight/
California isn’t the worst. Obesity rates have reached upwards of 39% in some states populations.
“The map shows that in nine states - Alabama, Arkansas, Iowa, Kentucky, Louisiana, Mississippi, Missouri, North Dakota, and West Virginia - adult obesity is at or above 35 per cent.”