The mentally afflicted old person.
D000368:Aged; D001294:Attitude to Health; D003693:Delirium; D003704:Dementia; D003863:Depression; D006801:Humans; D006278:Medicare; D001523:Mental Disorders / Q000188:drug therapy / Q000517:prevention & control / Q000628:therapy*; D009497:Neurotic Disorders; D011602:Psychophysiologic Disorders; D011639:Public Opinion; D012179:Retirement; D014481:United States