Nutrition's Hope Barkoukis warns travelers against drinking tap water on a plane

We asked 7 nutrition experts what not to eat on a plane—here's their 'must avoid' list

Travel+Leisure: Hope Barkoukis, chair of the nutrition department at the School of Medicine, warned travelers to avoid airplane tap water or ice, noting that plane water tanks “aren’t exactly germ-free.” She advised asking for sealed bottled water instead to reduce exposure to bacteria during flights.