I have a confession to make: I still wear my retainer. I haven't had braces since eighth grade, but each night, I dutifully pop that nasty plastic pink device onto the roof of my mouth before I climb ...

If you could go back in time and fix one mistake, what would it be? Right now, for me, it would probably be wearing my retainers. If you’re thinking that might seem like a waste of a magical wish, you ...