Dental and oral hygiene is an essential part of your overall health that is often ignored. Poor oral health has been linked to serious conditions such as cancer, heart disease and diabetes and according to the World Health Organization, “It is estimated that oral diseases affect nearly 3.5 billion people.” While that number is alarming, the good news is oral diseases are largely preventable. Eat This, Not That! Health spoke with several dental experts who reveal the worst things for your oral health and bad habits to break now. Read on—and to ensure your health and the health of others, don’t miss these Sure Signs You’ve Already Had COVID.