微笑是一件有力的事情。它可以照亮某人的一天，甚至可以增强您的心情。该行为本身会在大脑中释放出良好的荷尔蒙，但是当您困扰精神疾病或口腔健康或两者的结合时，可能很难...

Cook Children’s Medical Center has something to smile about these days.Despite the toll of a lengthy pandemic, the hospital system hit two milestones since the inception of its Save a Smile program—it reached a 100,000-oral-screenings mark at the end...