An alcohol mouthwash could increase GI cancer risk

Using an alcohol-based mouthwash, such as Listerine, could increase the risk of gastro-intestinal (GI) cancers.

Although the mouthwash is supposed to cleanse the mouth and gums, it encourages the growth of common oral bacteria that are associated with periodontal disease, and oesophageal (gut) and colorectal cancers.

Researchers from the Institute of Tropical Medicine in Belgium tested the effects of Listerine Cool Mint mouthwash on 59 men who had tested HIV-positive.  They used the mouthwash for three months and DNA samples were taken afterwards.

After using the mouthwash, levels of two bacteria that are associated with the cancers and gum disease had increased, the researchers found.

They recommend using a non-alcohol mouthwash, and WDDTY has reported on a Matcha tea wash that is effective and safe.

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