My recent most favourite quote is "Anything is edible at least once".
Unless you get them very young, eating the leaves is reminiscent of chewing sandpaper. Now you have me wondering if it would be palatable juiced, maybe as part of a smoothie.
Yeah I've only ever eaten the young shoots. It was fine I never went out of my way to eat it again though.
And often used as a digestive aid/folk-medicine
Doesn't this just mean it will give you the shits?
No, it calms the digestive system, and used to stop diarrhea.