The most recent estimates suggest that approximately 3.6 million high school and middle school students have used e-cigarettes in the US.
अगदी अलिकडच्या अंदाजानुसार, अमेरिकेतल्या माध्यमिक शाळांतल्या  सुमारे ३.६ दशलक्ष मुलांनी इ-सिगारेट वापरली आहे.