I don't know what to believe any more because that article says kale is a low oxalate food, but https://blog.swedish.org/swedish-blog/kale-causes-kidney-stones-

I don't know what to believe any more because that article says kale is a low oxalate food, but https://blog.swedish.org/swedish-blog/kale-causes-kidney-stones-seriously https://blog.swedish.org/swedish-blog/kale-causes-kidney-sto... says the opposite (and was on the list I got at discharge)