The worst combination of illnesses

The humor comes from the irony of having two conditions that completely undermine each other. Diarrhea makes you run, but Alzheimer's makes you forget where you are going. So, you're running, but you don't remember why or where you should go.

• Combination
• Diarrhea
• Alzheimers
• Disease
• Worst
• Sick

• I’ve got a joke about Alzheimers. Um. Oh no. I can’t actually remember it.
• Doctor: I have bad news. Man: What? Doctor: There are two things wrong with you. First, you have cancer. Man: Oh, no... Doctor: Second, you have Alzheimer's. Man: Well, at least I don't have cancer!
• Q' What's an Alzheimer's victim's favorite type of comedy? A. I forget.
• How do you die from Alzheimer's? You forget how to breathe.