Was healthcare a natural right two hundred years ago? If so, how is it that this "right" to eighteenth-century medicine morphed into a right to MRIs and chemotherapy? Do rights change with technology? That's not how rights work.
It's a paradox: never before has a government in human history assumed unto itself the power to regulate the minutiae of daily life as much as this one. At the same time the United States is overall the wealthiest society in the history of the world.