1. Simmer sauce. It's the acidity in the tomatoes that piece your teeth with a reddish yellow hue. So even if you get the organic, all natural, New Zealand grown and produced pasta sauce your still at risk of tooth discolouration. To protect your teeth chew on some lea...

Teeth whitening has become so accessible now that it's not only a luxury that celebrities like The Rock or Emma Watson can afford. America is leading the charge and spent $1.4b on whitening products last year alone.

If you've always wanted a beautiful white sm...