For 20 years, Dr. Purva Merchant has been answering letters from gaptoothed children and their parents — roughly 6,000 in all. “Happy growing up,” she typically replies. Credit...Su Yun Song Supported ...

Times are tough, even for kids. What they’re receiving for each tooth they’re putting under their pillows has fallen 14% to $5.01 from $5.84 last year, marking one of the most significant ...

We try to be pretty honest people. I mean, we're journalists. The facts matter! But when it comes to Santa Claus, the Easter Bunny, the tooth fairy, or whatever mythical creature it is in your family, ...