It’s true that if you eat a lot of what’s fondly dubbed the stinking rose, others might notice a faint whiff of eau de garlic in your sweat. But even the pungent bulb can’t mask your natural scent. In fact, scientists from the Monell Center in Philadelphia say that an individual’s scent is impossible to mask through food. They published this research in the online journal Public Library of Science One.
— From Body Odors Individual as Fingerprints, today's 60-Second Science podcast at Scientific American.