...puts on science cap…

Just remember that correlation does not imply causation. Your runny nose may or may not have had anything to do with the colonoscopy…..

As for juice fasts… no I couldn't do that. I get nausea when I drink any type liquid on an empty stomach. It's not an uncommon thing and much akin to getting seasick. I've read that it's from the sloshing around down there when there's nothing but liquid in the space...