Scientists find link between mouth bacteria and head and neck cancers EuronewsBacteria Involved in Gum Disease Linked to Increased Risk of Head & Neck Cancer NYU Langone HealthSkipping this crucial morning routine can lead to a 50% greater risk of cancer: study New York Post Oral Bacteria Linked with Head and Neck Cancer Inside Precision MedicineCould common morning mistake lead to cancer that's rising in young people?