Alcohol

Mouthwash Danger - Mouthwashes with an alcohol content of 25% of higher have been implicated in mouth, tongue and throat cancer.
- Winn DM et al. Mouthwash in the etiology of oral cancer in Puerto Rico. Cancer Causes Control 2001 Jun;12(5):419-29.
Alcohol acts as a solvent in the mouth making tissues more vulnerable to carcinogens.
- Blot WJ et al. Oral Cancer and Mouthwash. Journal of the National Cancer Institute. 70. 1983.
Men had a 60% higher risk and women a 90% higher risk of these cancers compared to those not using the mouthwash.
- National Cancer Institute 4/22/91