Your notes are great examples for all the interested to hear of what we can do so easily.
The predicament with the laxitives that are considered habit forming are that they replace or bypass healthy function so that with longterm use, the senna, for example, like others, will teach the body to relax its needed action.
The cascara, contrary to that, stimulates the perastaltic action into a stronger function. We have used it for a period of years now and I see no negative, as long as dependance is not created and potassium loss is understood.