Truthfully, any vacation would make most people happy. However, there's one region in particular that makes more tourists smile than any other. According to Casago, happy tourists smile the most ...

However, only one of these is a “genuine” or Duchenne smile. Discovered by French anatomist Duchenne de Boulogne in 1862, the key difference between this “real” happy smile and a “fake ...

Continue reading Straight Teeth, Happy Smile: 10 Best Orthodontists in Grand Rapids at grkids.com.