Debunking the Seven-Year Myth
The enduring belief that swallowed bubblegum remains in the stomach for seven years is simply a myth. Medical science confirms that the human digestive system processes indigestible materials efficiently.
How the Digestive System Handles Bubblegum
When gum is swallowed, the digestive process treats it similarly to other substances the body cannot break down, such as corn kernels. Digestive juices act on the water-soluble parts like sweeteners and flavorings, but the indigestible gum base, composed of synthetic materials, travels through the intestines and is expelled in stool, typically within a few days.
Why Do People Believe the Myth?
The myth likely originated as a way to discourage children from swallowing gum and is reinforced by the gum's inherent stickiness and resistance to breaking down, unlike most foods.
Potential Risks of Swallowing Gum
While swallowing a single piece of gum is generally harmless, risks can arise from frequent or excessive ingestion, particularly in children or those with existing digestive issues.
Blockages and Bezoars
Swallowing large quantities of gum can rarely lead to a bezoar, an indigestible mass causing intestinal blockage. This is more common in children who swallow multiple pieces or combine gum with other indigestible items. Symptoms like abdominal pain, constipation, and vomiting may indicate a blockage.
Digestive Discomfort from Sugar Alcohols
Sugar alcohols found in sugar-free gums can cause digestive issues like gas and diarrhea if consumed in large amounts, especially for those with IBS.
Chewing vs. Swallowing: A Comparison
| Feature | Chewing Bubblegum (Standard Use) | Swallowing Bubblegum (Accidental Ingestion) |
|---|---|---|
| Digestion | Sugars and flavorings absorbed; gum base remains intact in mouth. | Sugars and flavorings digested; indigestible gum base passes through body intact. |
| Absorption | Nutrients and sweeteners absorbed through saliva. | Nutrients and sweeteners absorbed; no nutritional value gained from the base. |
| Health Benefits | May improve memory and concentration, freshen breath, aid digestion post-meal. | No health benefits; potential for risk if consumed in excess. |
| Potential Risks | Jaw pain (TMD) from excessive chewing, headaches in some individuals. | Intestinal blockage (very rare), digestive discomfort from sugar alcohols. |
| Recommended Use | Standard and safe practice. | Avoided, though occasional accidental swallowing is harmless. |
How to Chew Gum Safely
Safe gum practices include spitting out gum after chewing, consuming it in moderation, and supervising children to ensure they don't swallow it. Choosing sugar-free gum with xylitol can offer dental benefits.
For additional information on the dental aspects of chewing gum, Healthline offers an article on the topic.
Conclusion
While bubblegum is not meant to be eaten because its base is indigestible, accidentally swallowing a single piece is generally harmless and will pass through your system within a few days, contrary to the persistent 'seven-year' myth. The main risks are associated with frequent and excessive swallowing, particularly in children, which can rarely cause intestinal blockages. Responsible chewing and understanding the facts allow for worry-free enjoyment of gum.
Safe Gum Chewing Practices
- Chewing vs. Swallowing: Bubblegum is designed to be chewed and not swallowed, as the body cannot digest its base.
- Occasional Swallowing is Harmless: Swallowing a single, accidental piece of gum is generally harmless for a healthy adult and passes within a few days.
- Avoid Excessive Swallowing: Consuming large quantities of gum, especially in a short period, can lead to intestinal blockages known as bezoars, a risk particularly elevated for children.
- Watch for Sugar Alcohols: The sugar alcohols in sugar-free gum can cause digestive discomfort, bloating, and diarrhea if consumed in excess.
- Dental Health Considerations: Chewing sugar-free gum with xylitol can benefit oral health by increasing saliva flow and inhibiting bacteria.
- Supervise Young Children: Parents should ensure children are old enough to understand not to swallow gum due to the heightened risk of obstruction.
- Separate Fact from Myth: The belief that gum stays in your stomach for seven years is a false myth, debunked by medical experts.