Cultivated all over the world from of which one uses the leaves.
Cabbage is often used out of cataplasm. The leaves are crushed and applied to painful tumescences, tumours and articulations.
Also eaten raw or cooked to help in case of stomach ache, stomach ulcers, arthritis, scurvy, blood-cleansing.
Warm some leaves, apply several layers and hold them with a bandage on the painful part.
Boil some leaves to get a jam that is spread on a piece of flannel, apply hot for 10 hours on the painful articulation.