" The soldiers had, apparently, been given beehives filled with the honey of bees that had feasted on rhododendron and azalea, plants that produce neurotoxins so potent that they remain active in the honey. Those who eat the honey succumb to honey intoxication, also called grayanotoxin poisoning. "

― Amy Stewart , Wicked Bugs: The Louse That Conquered Napoleon's Army and Other Diabolical Insects