There’s nothing like freshly popped popcorn, especially when popped in one of those hand-cracked poppers with coconut oil. A lot of folks like to nuke their popcorn, and that’s where they could be running into some real trouble. Here’s the deal. Some researchers at the University of Minnesota discovered that the stuff that gives buttery flavor to microwave popcorn could trigger Alzheimer’s disease. They say the chemical diacetyl causes certain proteins to clump together in the brain, which, they say is a sure sign of Alzheimer’s. But wait, there’s more. Diacetyl also contributes to popcorn lung. Diacetyl is the stuff...