BLOOMBERG: Inside the 'Stink Room' That Tests Your Listerine

  

Johnson & Johnson is known for many iconic brands. Listerine has been around for 125 years. Yet J&J, the world's biggest health-care products maker, continues to tinker with the formula. Bloomberg's Carol Massar reports from the so-called "stink room" oral-care lab in New Jersey. Video by: Carole Zimmer