CDC urges halt to vaping as it probes possible links to deaths
The Centers for Disease Control and Prevention is asking people to stop vaping, as it investigates a fifth death potentially linked to e-cigarettes. The number of cases of severe lung illness possibly caused by vaping has surged to more than 450 in 33 states. Dr. Tara Narula introduces us to the parents of a Colorado college freshman who say vaping nearly took their daughter's life.