You might like a walking meditation, which is also a good way to reestablish the feeling of being inside the body.
It is so logical that being divorced from one's body would make it very hard to regulate/sense healthful eating, portions, etc. But it is also true that a human will take their dopamine where they can get it, and in the short run, sugar is a fast route. So in a way the double whammy of abuse is to make an abused person both less aware of themselves, and more in need of relief.