California Department of Public Health Calls E-Cigarettes A Health Threat And Calls For Regulation [Getty Images]

SAN RAFAEL, CA - JANUARY 28: A customer smokes an E-Cigarette at Digital Ciggz on January 28, 2015 in San Rafael, California. The California Department of Public Health released a report today that calls E-Cigarettes a health threat and suggests that they should be regulated like regular cigarettes and tobacco products. (Photo by Justin Sullivan/Getty Images)

Getty Images News Justin Sullivan