전자담배, 새로운 선택의 과학: 정석 가이드

?? years ??, ????? a growing trend ???? ?? ??? ?? ?? ? ?? ???? | ?? ???? ???? | ???? ????}. ? ???? ?? | ??? ?? ??? | ?? ?? | ? ???? ??? negative impacts ? ????? ? ??? ??, a safer option | ?? ??? ?? | ????? ???? ????. ??? ????? ?? concerns ? ??? ????, ?? ??? | ??? | ??? ?? ??????. ? ?????? ????? mechanics , ??? types , ??? ???? potential dangers ?

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