OK, an interesting read. But, very frustrating to read the daughter just asking mom if she can do anything. Why in the world would you ask a marginally sane person for answers?
I suggest the author just go and volunteer once a week at a soup kitchen that her mother and dad would consider frequenting. That way, they can keep contact, and be fed nutritious, sanitary food. Heck, why stop there? She could organize a bunch of her Park Avenue neighbors to volunteer as well. Don't ask, just do it!