What Really Happens If You Swallow Chewing Gum?

Many people grew up hearing that swallowed chewing gum stays in the stomach for seven years. While this warning has become a popular myth, medical experts say it has no scientific basis. According to gastroenterologist Anastasia Gostrous of SM-Clinic, accidentally swallowing a single piece of gum is unlikely to cause any harm in healthy adults. Why Swallowed Gum Doesn't Stay in Your Body for Years Speaking to Gazeta.Ru, Gostrous explained that chewing gum contains an elastic base made from indigestible polymers. Although the stomach cannot break down these synthetic materials like ordinary food, that does not mean the gum remains in the digestive system indefinitely. The digestive tract continuously moves its contents forward through rhythmic muscular contractions known as peristalsis. Just like other indigestible substances-such as certain plant fibers or seeds-a swallowed piece of gum usually passes naturally through the digestive system within 24 to 72 hours.