Crossword Clue:

The infirmity of old age senility

AnswerCrossword Clue
SENILITYOld-age infirmity
CAVEHome of the old Stone Age.
SENILEHaving the characteristics of old age.
GERONTOLOGISTSStudents of the problems of old age.
AETATOld tombstone abbr. meaning "at the age of"
CITIZENKANEMovie with the line "Old age. It's the only disease, Mr. Thompson, that you don't look forward to being cured of"