Your Gut Is Asking for Help: 7 Overlooked Signs of Constipation

4. Persistent bad breath despite good oral hygiene

Bad breath isn’t always a dental issue. When digestion slows, food residues can ferment in the gut, producing gases that travel upward through the digestive tract. This creates an odor that brushing and mouthwash can only temporarily mask. Improving intestinal movement addresses the source rather than the symptom.