The teens who made Colorado No. 1 in underage vaping 5 years ago are now young adults, and they’re still using

“Everyone knows it's not good for you and everyone wants to stop. But at this point, doing it all these years, it's not like muscle memory, but it's just second nature now,” he said. “They're hooked on it at this point.” Data from the state health department show adult vaping rates are rising in Colorado, driven by a sharp increase among young, college-age adults, those 18 to 24.