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Food and Drug Administration considers e-cigs an unapproved new drug because of a lack of scientific proof that they're safe or effective

Steam cleaners are also very effective for cleaning cigarette smoke out of furniture

Researchers performed lab experiments to investigate the ability of different face masks and respirators to filter out particles in a range of sizes found in smoke and air pollution

Evaluation of the surface hardness, roughness, gloss and color of composites after different finishing/polishing treatments and thermocycling using a multitechnique approach

Weaning off of cigarettes, for one, or treating an illness