A new study in the journal Pediatrics shows hookah smoking is gaining popularity among high school seniors.
The study say nearly one out of five used the water pipe device sometime within the last year.
Researchers studied more than 5,500 high school seniors between 2010 and 2012.
The study also says that living in a big city, have highly educated parents and a have a higher income from a job; increases the odds of hookah use.
The Centers for Disease Control and Prevention says hookah smoking has many of the same health risks as cigarette smoking.