IS VAPING REALLY SAFER THAN CIGARETTES?

Vaping is smoking's hottest new trend--just ask Leonardo DiCarpio who was caught puffing on one at the Golden Globes. The industry claims this is a safe alternative to cigarettes, but how much do we really know about the health effects of vaping? From The Vape Shop to USC's Health and Science campus, Brent Rose explores this new trend and searches for answers.