9 Food Items to Avoid Like the Plague if You Want to Have Great Teeth

3. Blackberries and Blueberries

While they may be healthy and many of us just can’t get enough of them since they have a delicious taste, the matter of fact is that they can seriously stain your teeth. I won’t tell you to completely cut them off from your diet but it is highly preferable that after you consume them to brush your teeth and floss.