Just read article about lung disease of microwaved popcorn and hyperactive children caused by additives . We should be more careful consuming such food. Previously they were known safe but now become quite dangerous for our health.
Although still indicated as possibility but this is likely real connection between disease and popcorn or the additives and hyperactive children. Everything now have preservative and coloring additives. There is also chemical and reaction in popcorn processing for consuming.
However there is still no warning regarding this from regulator.