They actually have a lot better healthcare than many countries.
Great leader has done much for the health of his people. If you are a tourist in north korea and you get sick, or even need stitches, they can do it and will do it for free. That's what happe to this guy in the vlogs. Pretty insane how advance north korea is, what is more insane is how skilled the population is. Scientist, artists, musicians, they're a culture of perfectionists.