Health memes

My cousin died last week. He needed a blood transfusion, but we didn't know his blood type. He just kept saying, "B positive, B positive," but it's hard to be positive with him gone.

What is the worst combination of illnesses?

Alzheimer’s and diarrhea. You’re running but can’t remember where.

I told the doctor I didn’t want a brain surgery. But he changed my mind.