Here are some randomly selected joke topics
Doctors
Doctor, Doctor, I keep thinking I'm invisible.
Who said that?
Man
What is the longest sentence known to man?
'I do.'
Young
When I was young I had a lot of spots and pimples. One day I fell asleep in a library. I woke up and a blind man was reading my face.
Australians
How many Australians does it take to screw in a light bulb?
Two - one to say "She'll be right mate" and one to fetch the beers.
Stomach
Patient: Doctor, my stomach hurts!
Doctor: Oh stop bellyaching!
Detective
Which famous English detective loved to relax in a bubble bath?
Sherlock Foams.
Salesman
Why was the clock salesman bored?
He had too much time on his hands.
Successful
What do you get if you cross a successful book with perfume.
A best smeller.
Music
If music be the food of love, I need re-tuning