E-cigs surge in popularity

Chloe Lamb enjoys an electronic cigarette at the Vapor Shark store in Miami, Fla., Sept. 6, 2013.

E-cigarette manufacturers have seen a surge in popularity for the battery-powered devices that give users a vapor filled experience with nicotine and other additives, like flavoring.

The devices' growing popularity may not be confined to adults. A recent government study suggests e-cigarette use is on the rise among middle and high school students.

Find out more about how e-cigarettes are made and sold...

Chloe Lamb (L) and Jacob Knight shop for an E liquid flavor for her electronic cigarette at the Vapor Shark store in Miami, Sept. 6, 2013.

Electronic cigarettes with different flavored E liquids are seen on display at the Vapor Shark in Miami, Sept. 6, 2013.

A customer holds the electronic cigarette he purchased at the Vapor Shark in Miami, Sept. 6, 2013.

Jacob Knight helps a friend shop for a good flavor of E liquid for her electronic cigarette at the Vapor Shark store in Miami, Sept. 6, 2013.

Angie Valencia, an E liquid technician at Vapor Shark, fills bottles with the flavored liquid for electronic cigarettes in a manufacturing facility in Miami, Fla., Sept. 6, 2013.

Flavored E liquid for electronic cigarettes is seen as it is poured into bottles at the manufacturing facility for Vapor Shark in Miami, Sept. 6, 2013.

Tamara Gomez exhales vapor as she shops for an E liquid flavor for her electronic cigarette at the Vapor Shark store in Miami, Sept. 6, 2013.

Julia Boyle, a sales associate, helps a customer with an electronic cigarette at the Vapor Shark store in Miami, Sept. 6, 2013.

Flavored E liquid for electronic cigarettes is seen before it is poured into bottles at the manufacturing facility for Vapor Shark in Miami, Sept. 6, 2013.

Flavored E liquid is seen for sale at the Vapor Shark store in Miami, Sept. 6, 2013.

Julia Boyle, a sales associate, enjoys her electronic cigarette as she helps customers at the Vapor Shark store in Miami, Sept. 6, 2013.

Miguel Tirado (L) shops for an E liquid for his electronic cigarette as Julia Boyle (C) and Michele Mendez, sales associate, help him at the Vapor Shark store in Miami, Sept. 6, 2013.

Michael Borges tries a flavored E liquid as he shops for a flavor for his electronic cigarette at the Vapor Shark store in Miami, Sept. 6, 2013.