Even in light of a lack of official health studies, the AHA, as well as many other health care professionals can’t deny the use of e-cigarettes as a harm reducer. The policy from the AHA states: “E-cigarettes either do not contain or have lower levels of several tobacco-derived harmful and potentially harmful constituents compared with cigarettes and smokeless tobacco. In comparison with NRTs, [Nicotine replacement treatments] e-cigarette use has increased at an unprecedented rate, which presents an opportunity for harm reduction if smokers use them as substitutes for cigarettes.”

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