Boss: Tell me what’s the most common cause of Parkinson’s disease in young people?

Me: Genetic factors.

Boss: Okay, what’s the most common cause of Parkinson’s disease in drug users?

Me: Drugs laced with MPTP.

Boss: (narrows eyes). Fine, what’s the most common cause of Parkinson’s disease among the native people of Guam?

Me: …okay, I am totally stumped.

Boss: That would be Lytico-Bodig Disease.

Me:

Boss: The inhabitants of Guam eat a rare bat, which itself eats a rare plant, which carries a rare neurotoxin in its seeds, and that causes Parkinson’s.

Me: I guess that’s…not too surprising. They traced Ebola to people eating bat meat too 

Boss: Really? You know what? I’m going to say it. Eating bat is a bad idea.

Me: (in my head) That depends if we’re talking about saturated bat or unsaturated bat.