I remember the exact moment I decided to stop smiling with my teeth. I took a gorgeous selfie with my bestie — back before "selfie" was even a word, when you posed in front of a digital camera bought ...

While we are all born with different shades of enamel, our teeth yellows over time for a variety of reasons, some of which you may not have even realized are contributing to your "yellowing" smile.

I’m so excited. Those who have worked with me might recall my reference to some vague research about the benefits that come from smiling. The research that I summoned up from psychology 101 was lost ...