Ten causes of bad breath identified by Saudi medical researcher

Medical researcher Dr. Fahad Alkhodairi has identified ten different causes of bad breath.

In a post on his X (formerly Twitter) account, he explained that these causes may originate from the teeth, gums, or digestive system.

He noted that the causes include:

1 – Gum disease.

2 – Poor oral hygiene.

3 – Smoking and its residue, including effects on the lungs.

4 – Dry mouth and dehydration.

5 – Constipation.

6 – Problems with the salivary glands.

7 – Acid reflux.

8 – Issues with the upper stomach.

9 – Odors originating from within the body or stomach.

10 – Hiatal hernia, specifically where the esophagus meets the stomach.