New study finds strategy of replacing cigarette smoking with vaping would yield substantial life year gains, over a 10-year period yielding up to 6.6 million fewer premature deaths with 86.7 million fewer life years lost.

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New study finds strategy of replacing cigarette smoking with vaping would yield substantial life year gains, over a 10-year period yielding up to 6.6 million fewer premature deaths with 86.7 million fewer life years lost.