Flossing: It all comes down to the ‘why’.

Nearly one-third of American adults never floss, according to a recent study. Author Dr. Duong Nguyen, an epidemic intelligence service officer at the Centers for Disease Control and Prevention, suggested to CNN.com that one reason for the lack of flossing may be a lack of knowledge. “I think it’s one of those things people don’t know enough about,” Nguyen […]