13 Things You Should Never Eat on an Airplane

A registered dietitian nutritionist reveals which foods could turn your next flight into a disaster.

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Onions and Garlic

Go easy on your airplane seat mates—that garlic bagel you enjoyed for breakfast might linger through a flight later on. The compound allyl methyl disulfide, one of the culprits contributing to garlic breath, can take up to 24 hours to be removed from your body. Thankfully, Sheryl Barringer, PhD, professor and department chair of food science at Ohio State who co-authored a study on managing the odour (published in the Journal of Food Science) has an easy fix. “Eating foods like a raw apple or mint leaves can help deodorize your breath after eating garlic,” she says.

A dentist reveals the best way to get rid of bad breath.