to marijuana or regular smoking: >> derek says the same regulations in place should be in place for ecigs. >> e-cigarette sales doubt to a billion and a half dollars. for many the exploding popularity is a cause for concern. currently unregulated e-cigarettes are blamed for an increase in calls to poison centres. the liquid nicotine cartridges come in many flavours, making them enticing to kids. they are increasingly popular among teams. the number of kids using them nearly doubled. what are the risks associated with e-cigarettes, is it time to regulate them. we are glad to have john, a professor of public interest law. ray storey is the ceo of the tobacco vapour electronic cigarette and dr rogers a toxocologist. welcome everyone to the program. dr rogers, you are not only a toxocologist at children's, you are the associate medical director of the the kentucky regional poison center. we welcomed a trend to calling poison control centres. when it comes to egrets, what are you seeing. is it disturbing to you. >> we've seen a 6-fold increase in calls compared to last year. >> nationally it's

. >> but not everyone sticks with ecigs.t have the heat of conventional cigarettes. but those who have converted say the health benefits are worth it including the potential to wean yourself out of nicotine. customizing, mods are not only refillable but often feature variable voltage batteries. >> i can customize the amount of draw, if the colder hit, if it's a warmer hit, as well as that's just one piece of the puzzle. there's like hundreds and hundreds of variations that you can make. >> the liquid in th in the e-cie canister can go in zero to 26 milligrams. and there's fruity flavors. here is where the controversy lies, critics are concerned that these attractive fruity flavors can help young people who start using e-ccigs. >> this is yoga land of e-cigs. >> it actually smells like pizza. i would eat this. for me because of my background that's one of my main concerns right now is there a top limit to the concentration of nicotine that you can put in? >> right now, there's not. we have a choice of mixing your own line, mi