Bad breath can usually be improved with thorough oral hygiene. I’m not just talking about brushing your teeth and flossing.

get closer – and it becomes unmistakably rotten and corpse-like; the kind of smell that makes you queasy and want to leave a room. A plant native to southwestern China, the devil’s tongue ...

The smaller cousin of the infamous "Wally" corpse flower, the devil's tongue also emits a rotten odor. But unlike Wally, this plant is used in food.