Well those are certainly two very diverse questions.
The obvious answer to the first question is stop drinking ensure. As for the second question, use google or the yellow pages to find a lawyer who specializes in medical malpractice suits. However, you may want to be sure that the one you contact offers a free initial consultation, since from what you have described you may not have a case. Just because she was treated for something else 2 years ago doesn't mean she was misdiagnosed. But even if she was, that still may not constitute malpractice. The legal definition of medical malpractice requires illegal or negligent standard of carem or treatment