Doctors are warning about the risk of putting tape on your mouth for a better night's sleep. It's the latest wellness craze. Actress Gwyneth Paltrow calls it the "single best wellness tool" she recently found. Some doctors say there can be some positive effects of breathing through the nose instead of the mouth, such as lowering blood pressure. But Doctor Erich Voigt says anyone considering mouth-taping should know the risks. | Inside Edition