The biggest determinant of your health, on average?
Where you live, and the deeply historical reasons that public policy there is what it is.
"“Your health is only 10 percent influenced by the medical environment and maybe 20 or 30 percent in behavioral choices. The social and political determinants of health are overwhelmingly what you’re seeing in these maps.”"
https://www.politico.com/news/magazine/2023/09/01/america-life-expectancy-regions-00113369
