附:英文原文
“It’s generally not a problem,” says pediatric gastroenterologist Esther Israel of the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition. Gum will almost always pass through your gut within three days. But in rare cases, swallowing gumspecifically, the additives in some brands—can have surprising repercussions. Large amounts of sorbitol, a sweetener in many sugar-free varieties, can cause diarrhea, gas and abdominal pain; cinnamon flavoring has been linked to ulcers; and a licorice flavoring has been associated with high blood pressure. An even rarer complication observed mainly in young children involves a large wad of gum blocking the gastrointestinal tract.