clipped from: www.realage.com   
Eat Your Way to Pearly Whites
Can you trade in your teeth-whitening products for something green instead? Maybe.
Getting more greens in your diet -- along with other veggies and fruit -- could help thwart staining, write RealAge experts Michael Roizen, MD, and Mehmet Oz, MD, in their new book, YOU: Being Beautiful
Protect and Destroy
Sure, cutting back on coffee may help, too. But why not make more trips to the produce aisle for extra insurance. Apples, celery, and carrots act as natural stain removers, Drs. Roizen and Oz note in their book, while greens such as spinach, broccoli, and lettuce create a film over the teeth that serves as a stain barrier. Get more look good, feel good tips in their book.