#E-cigarettes as a #quitsmoking aid: yay or nay? Our Dr. John Swartzberg weighs in: #smoking #tobacco #tobaccofree @AmericanCancer

#E-cigarettes as a #quitsmoking aid: yay or nay? Our Dr. John Swartzberg weighs in: #smoking #tobacco #tobaccofree @AmericanCancer

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