With an average light smoker consuming 1015 cigarette/day, including an average of up to 13 puffs per cigarette and each puffs duration of 1.5 s (refs
filters should be changed every 1 to 3 months
Smoking behavior was partially assessed by self-report, which introduces the potential for information bias, although objective biochemical confirmation was also used
The most commonly reported listed methods were nicotine products (53.9%, 1.5 million US adults), primarily e-cigarettes used alone or in combination with other methods (40.8%, 1.2 million US adults)
We run an ozone treatment that destroys the smoke molecules in the air and in the materials they have soaked into, so the smell is gone rather than covered
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