“You’ve gotta try this product,” Carlson said to Von, popping a mini-marshmallow-sized pouch into his mouth as the cameras started to roll. A sly grin spread across his face: “The truth is, Zyn is a ...
Dr. Bonnie Halpern-Felsher of Stanford Medicine expressed particular concern about the amount of nicotine some teens are consuming. Her research found that some young users engage in "stacking"—using ...