Is vaping a new danger?

?? ???? popularity? ????? ?? ????? ??? ??? ???? ????. ???? ??? ??, ????? ?? ???? ??? ??? ???, ??? ??? ??? ?? ??? ??? ??? ???? ????. ???? ??? ???? ??? ???? ?? ??? ??? ???, ?? ??? ??? ?????. ????? ??? ??? ????, ????? ??? ???? ?? ?? ???? ???. ???? vs ?? ??: ??? ??? ?? ?? ??? ?? ??? ????? ? ??? ?? ?? ??? ???? ????, ?? ?? ? ?? ?? ???? ???? ? ?? ??? ?

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전자담배, 새로운 선택의 과학: 정석 가이드

?? times ??, ????? a popular alternative?? ?? ? ?? ???? | ?? ???? ???? | ???? ????}. ? ???? ?? | ??? ?? ??? | ?? ?? | ? ???? ??? harmful effects ? ????? ? ??? ??, a safer option | ???? ??? ?? ?? ??? ?? | ????? ???? ????. ??? ????? ?? questions ? ??? ????, ?? ??? | ??? | ??? ?? ??????. ? ?????? ????? science , ??? models , ??? ???? potential dange

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