the reason the US has such high healthcare is because healthcare is both private and paid-by-insurance.
a lot of other nations have free healthcare, both in the american continent and in Europe.
Lots of countries have combined public/private systems and get equal or better results with lower per capita and per GDP expenditure than the US.
The US has expensive healthcare because it has an exceptionally poorly designed public/private system, not because it has a public/private system.
the reason the US has such high healthcare is because healthcare is both private and paid-by-insurance.
a lot of other nations have free healthcare, both in the american continent and in Europe.