A bent-over old lady hobbled into a doctor’s office.
Within minutes, she came out again but miraculously, she was standing up as straight as could be. A man in the waiting room, who had been watching her, said in amazement, “My goodness, what did the doctor do to you?”
The old lady replied, “He gave me a longer cane. “
This joke is included in the Black Book of Jokes. You can order it from here.