The use of electronic nicotine delivery systems (ENDS), or e-cigarettes, has grown rapidly over the past decade, especially among American youth under age 18. One of the reasons for this sharp increase is the misbelief that e-cigarette use is a harmless alternative to using combustive tobacco products. While primary care providers (PCP’s) routinely ask about tobacco use, it is unclear whether they specifically screen for the use of ENDS products, especially with their younger patients. In fact, it ...