Cognitive Decline Jokes

Alzheimer's

Q. What do a one-story house and an Alzheimer's victim have in common? A. Nothing going on upstairs.

Donald Trump

How can you tell Donald Trump is old and demented?

He can't distinguish between tanned people and cockroaches!

Health

I would've made a joke about Alzheimer's, too bad I forgot about it...

Age

I want to make a joke about old age, but I'm too senile to finish it.