1. White Bread©Photo by Duminda Perera on Unsplash It seems like every healthcare professional warns us away from white bread. Whether you heed their warnings or not is up to you, but you may want to listen to your dentist on this one. White bread is loaded with sugar and as you chew, you break the bread down into a kind of paste that can easily stick to your gums and cause cavities. 2. Soda©Photo