Any type of smokeless tobacco is considered a form of tobacco harm reduction because it does not involve smoke or tar. This typically includes snus, chewing tobacco, tobacco strips-lozenges-stick-gum, and . These products can provide nicotine without lighting tobacco on fire and inhaling it, thereby reducing the harm caused by the smoke and tar from tobacco. Nobody is going to claim these products are 100% safe, but many claim they are safer than smoking tobacco. It is another way to approach the problem, and it is gaining popularity quickly thanks to e-cigarettes.

The main study finding was as follows: "The assessment of lung function demonstrated that neither a brief session of active e-cigarette smoking nor a 1 hour passive e-cigarette smoking session significantly interfered with normal lung function. On the other hand, acute active and passive tobacco cigarette smoking undermined lung function, as repeatedly shown in previous studies."

Disclosure: I have not received any funding or compensation from the tobacco, electronic cigarette, or pharmaceutical industries. However, I am seeking funding from several electronic cigarette companies to conduct a behavioral study on the effects of electronic cigarettes on smoking behavior.

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