Link to the Show / Show Notes This summary covers the issue of October 15, 2009. Featured are articles on the clinical course of advanced dementia, functional status of elderly adults before and after initiation of dialysis, interleukin-2 therapy in patients with HIV infection, and the benefits of taxing sugar-sweetened beverages; review articles on bacterial diarrhea and on cell death; a case report of a man with progressive dyspnea; and Perspective articles on controlling expenditures by improving care for patients needing costly services, on contaminated dietary supplements, and on drug shortages and public health.