NY1 VIDEO: In this episode of City Health Beat, NY1’s health reporter Erin Billups looks at a dangerous trend growing in popularity among teenagers - the use of E-Cigarettes - and health experts warn there may be some long lasting, harmful effects. Also, many of us cannot live without our smart phones or social media, and that's exactly what former city health commissioner Dr. Tom Farley is counting on as he launches a new health campaign. And we also take a look at an often-overlooked salad ingredient full of health benefits.