4. Who among the following does not appear to indicate a need for long-term medical care? a. Bill, who just turned 48 , is diagnosed with Parkinson's disease. b. Lawrence, 73 , in otherwise good health, suffers near-fatal food poisoning and has to spend a week in intensive care. c. Greta, only 30 , develops chronic kidney failure. d. Lisa, a very active 67-year-old, is in the early stages of Alzheimer's disease