sufficient rest. a report by the centers for disease control and prevention states an increase in the electronic cigarettes by teens. the use tripled from 2013 to 2014. it is now the most popular tobacco product among high schoolers and middle schoolers in the united states. the teens who smoke regular cigarettes dropped in 2009 to 2014. i have to say e-cigarettes is the most unexplored and fascinating public health and public policy issues in the united states. the discussion has not caught up with technology. >> elizabeth cohen says you cannot smell it on your kid's breath. it smells like candy, not cigarette smoke. parents don't know what's going on. >> is it better they are smoking e-cigarettes than real life cigarettes? >> she says it shouldn't be one