In additional to the car dependency (and related issues), the USA still has many immigrants (legal and illegal) from poor countries, who likely have health issues that pre-exist their US residency.
Main headline figure is life expectancy at birth, which doesn’t _really_ account for immigration. In any case, a number of rich countries (Ireland, UK, Canada, the Netherlands, most of the Nordics) have higher immigration rates than the US, so, again, probably not that.
Main headline figure is life expectancy at birth, which doesn’t _really_ account for immigration. In any case, a number of rich countries (Ireland, UK, Canada, the Netherlands, most of the Nordics) have higher immigration rates than the US, so, again, probably not that.