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Open the window before you smoke to reduce the volume of smoke that accumulates inside

Chronic exposure to the UV light can cause mutations (damage in the DNA) in the cells that make up the skin covering the lip

The schedule for randomization was generated in a 1:1 ratio by block randomization in blocks of 4 participants

For most enthusiasts, I advise either a hybrid approach (HEPA + substantial carbon) or a high-capacity, ceiling-mounted solution if your layout is large and open

** Nicotine dispensing device means any product that employs an electronic, chemical, or mechanical means to produce vapor or aerosol from a nicotine product, including, but not limited to, an electronic cigarette, electronic cigar, electronic cigarillo, electronic pipe, or other similar device or product, any replacement cartridge for such device, and any other container of nicotine in a solution or other form intended to be used with or within an electronic cigarette, electronic cigar, electronic cigarillo, electronic pipe, or other similar device or product