One exploded in a New Hampshire teens hands last week. Medical director says boston doctors have had similar cases. Hopefully somebody will get together and regulate it before these incidents are rare if you use them enough as a population of people there will be problems in irks in the five years before 2014,. 5 million americans reported using e cigarettes. There were 25 explosions or fires involving them nationwide leading to 9 injuries. Experts say accidents happen when users combine e cigarette parts ant meant to use together. At this store any time someone buys whats called a hybrid they have to sign a disclaimer and this says that they wont use with it the wrong kind of atomizer because that could cause an explosion. We try to educate everyone. We educate them how to fill it how to use it. Cigarettes were estimated at 1. 7 billion last year. As that number grows at a rapid fire pace so does the urgency behind the calls to keep them safe. Christina hager wbz news. 3 people are un