Last year, about 25 percent of 12th graders who used a vaping device said they were only inhaling the flavoring. But it’s...

Last year, about 25 percent of 12th graders who used a vaping device said they were only inhaling the flavoring. But it’s important to know that often teens don’t know what’s in the e-vaporizers they are using and the most popular vaping devices on the market do not offer options that are nicotine-free.