affairs, how they will be cared for if they reach a phase where they can no longer take care of themselves, which they likely will. and this is -- is -- it gives some control. otherwise, you know, it's the sort of wait and see what happens, and then we'll deal with it, you know. you can plan ahead. >> all right. >> not only that, there may be clinical trials that would be most appropriate for them to be involved in. for new treatments. >> all right. dr. phelps, thank you very much. that is some encouraging news, but obviously a lot of study, lot of research still needs to be done on the debilitating disease of alzheimer's. thank you once again. if you or someone you know needs help coping with alzheimer's, go to cnn.com/health. click on the story about alzheimer's and you'll find a link to several online resources. food recalls, drug-resistant bacteria in meat, we'll talk with the secretary of health and human services about the safety of the food we eat.