In Western comic books, a single issue of a comic will come out once a month. Typically, that single issue will have a penciler, an inker, a colorist, and a letterer, and a writer. Korean comics frequently come out once every week or once every two weeks, with maybe one or two people working on it. That's a pretty insane workload, and is definitely not sustainable.
Because they end up doing the work of several people all by themselves, and in a very short amount of time. We live in a world that doesn’t know how to wait, so artists push themselves to the limit—all to avoid losing readers who, as it happens, can’t wait and want everything handed to them on a silver platter, right away. Let’s learn to wait and to show respect. You’ll see that fewer artists will end up falling ill.

Why the hell so many artists always have health problems while making manhwa? I'm just curious under what conditions the companies have artists working that so many times it leads to this? And why would anyone even want to be a manhwa artist when the payment sucks and conditions are seemingly sever?