I’m about to admit something kind of embarrassing. Until last spring, I didn’t really know that e-cigarette use was a huge deal and I had NO idea what a “JUUL” was or that “juuling” was something I should be concerned about as a parent and a pediatrician. As a routine, I always ask my teenage patients about their substance abuse habits (in Peds we often refer to these as the “Sex, Drugs and Rock n’ Roll” questions): Do you smoke cigarettes? Do you use marijuana or other drugs? Do you drink alcohol? etc. I’m going to be honest here – I live under a bit of a rock and don’t read…