My sister has a form of bulemia in which she eats, chews, and spits the food into bottles/bags and hides them all over the house. Perhaps that's a unique version of the disease to investigate. She would NEVER talk about it because she refuses to admit it.
I also have a neighbor who has bulemia and is really concerned about how not to impact her daughter with the same insecurities she has about her own body. Perhaps you can look at that aspect as well - how to prevent your children from developing a condition you, yourself, can not overcome.