SYOSSET - The CDC says e-cigarettes are becoming more popular among teens at an alarming rate.

As of last year, the agency found that 10 percent of high school students had tried an e-cigarette. That number is up from 4.7 percent in 2011.

Dan Jacobsen, a nurse practitioner at North Shore LIJ’s Center for Tobacco Control, calls e-cigarettes a gateway to nicotine addiction.

The FDA does not regulate e-cigarettes.