Dr. Kin-Sing Au, a board-certified radiation oncologist with more than 30 years of clinical experience in treating cancer, joins the Guam Regional Medical City’s growing cancer care team.

Listerine produces oral care products. The company offers mouthwashes, rinses and dental hygiene options. Listerine has been providing oral care for daily use since 1879.

Sodium bicarbonate may make cancer treatments more effective by reducing the acidic microenvironment produced by thriving cancer cells. Learn more.

The best toothpaste, mouthwash, floss and more — grab the top products for oral care We tested more than 60 essential dental hygiene products — these 11 rose to the top.