Why do some pine nuts make your mouth taste like you licked a pile of pennies? Anywhere from two days to two weeks after eating pine nuts, particularly those from China, sufferers of the dreaded "pine mouth" are plagued by a weird metallic aftertaste. In a report published in the European Journal of Emergency Medicine, scientists studied Chinese pine nuts and concluded that while they do cause the metal mouth feeling, it's not entirely clear why. The researchers believe it's related to the specific type of triglycerides in the nuts. Make sure your pine nuts are imported from another locale to avoid the icky aftermath.
