Why would a blind man need a light bulb?
We're on our sixth.
Need to know ASAP.
None. People that glow in the dark don't need lights.
Zero, its already lit
You only need one nail to hang up the picture.
I've memorized a lot of jokes from a previous "doctor joke" thread, and need some fresh material!
Leave the plunger in the toilet!
A cataract
Only two, but you've got to wonder how they climbed up there!